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The Company's stockholders approved the Amendment on May 28, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests as follows: 25% on the date of grant with the remaining shares to vest in equal monthly installments over a period of 36 months commencing on May 15, 2025 and on the 15th date of each month thereafter."}],"balance_after":75660,"derivative":{"exercise_price":2.51,"expiration_date":"2035-04-15","underlying":"Common Stock","underlying_shares":75660},"source":{"system":"sec-edgar","filing":"0001641172-25-012765","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817760/000164117225012765/ownership.xml","form_type":"4"}},{"id":1477444,"issuer":{"id":8554,"kind":"organization","name":"SmartKem, Inc."},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Employee stock option (Right to Buy)","published_at":"2024-06-17T21:06:12.000Z","date":"2024-06-14","kind":"grant","planned":false,"acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The options vested as to 25% upon date of grant with the remaining shares to vest in equal monthly installments over a period of 36 months commencing on July 14, 2024."}],"balance_after":100000,"derivative":{"exercise_price":6.5,"expiration_date":"2034-06-14","underlying":"Common Stock","underlying_shares":100000},"source":{"system":"sec-edgar","filing":"0001493152-24-024159","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817760/000149315224024159/ownership.xml","form_type":"4"}},{"id":1662021,"issuer":{"id":8554,"kind":"organization","name":"SmartKem, Inc."},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-02-02T22:02:02.000Z","date":"2024-01-31","kind":"grant","planned":false,"acquired":true,"shares":100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects a grant of a stock award issued pursuant to the Issuer's 2021 Equity Incentive Plan, which vested in full upon grant."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects a grant of a stock award issued pursuant to the Issuer's 2021 Equity Incentive Plan, which vested in full upon grant."}],"balance_after":100,"source":{"system":"sec-edgar","filing":"0001104659-24-010133","document":"tm244327-4_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817760/000110465924010133/tm244327-4_4seq1.xml","form_type":"4"}},{"id":2079958,"issuer":{"id":8554,"kind":"organization","name":"SmartKem, Inc."},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock option (right to buy)","published_at":"2022-12-20T21:05:31.000Z","date":"2022-12-20","kind":"grant","acquired":true,"shares":450000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option award was made in accordance with the terms of the Issuer's 2021 Equity Incentive Plan. The option vests as to 1/3 of the shares on December 14, 2023 with the remaining shares to vest in equal monthly installments over a period of 24 months commencing January 14, 2024."}],"balance_after":450000,"derivative":{"exercise_price":2,"expiration_date":"2032-12-20","underlying":"Common Stock","underlying_shares":450000},"source":{"system":"sec-edgar","filing":"0001104659-22-128625","document":"tm2232726-1_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817760/000110465922128625/tm2232726-1_4.xml","form_type":"4"}},{"id":2208675,"issuer":{"id":8554,"kind":"organization","name":"SmartKem, Inc."},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock option (right to buy)","published_at":"2022-07-12T13:19:13.000Z","date":"2022-07-08","kind":"grant","acquired":true,"shares":6000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option award was made in accordance with the terms of the Issuer's 2021 Equity Incentive Plan. The option vests as to 25% of the shares on July 8, 2023 with the remaining shares to vest in equal monthly installments over a period of 36 months commencing on August 1, 2023."}],"balance_after":6000,"derivative":{"exercise_price":2,"expiration_date":"2032-07-08","underlying":"Common Stock","underlying_shares":6000},"source":{"system":"sec-edgar","filing":"0001104659-22-079031","document":"tm2220038-7_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817760/000110465922079031/tm2220038-7_4seq1.xml","form_type":"4"}},{"id":2299492,"issuer":{"id":8554,"kind":"organization","name":"SmartKem, Inc."},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock option (right to buy)","published_at":"2022-04-11T21:05:09.000Z","date":"2021-03-31","kind":"grant","acquired":true,"shares":18000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option award was made in accordance with the terms of the Issuer's 2021 Equity Incentive Plan. The option vests as to 25% of the shares on March 31, 2022 with the remaining shares to vest in equal monthly installments over a period of 36 months commencing on April 1, 2022."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The original Form 4 filed by the Reporting Person on April 2, 2021 incorrectly reported that the option vests as to 25% of the shares on March 31, 2022 with the remaining shares to vest in equal monthly installments over a period of 36 months commencing on April 30, 2022."}],"balance_after":18000,"derivative":{"exercise_price":2,"expiration_date":"2031-03-31","underlying":"Common Stock","underlying_shares":18000},"source":{"system":"sec-edgar","filing":"0000905718-22-000582","document":"smartkem_fm4amapr22021.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817760/000090571822000582/smartkem_fm4amapr22021.xml","form_type":"4/A","original_submission_date":"2021-04-02"}},{"id":2761677,"issuer":{"id":8554,"kind":"organization","name":"SmartKem, Inc."},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock option (right to buy)","published_at":"2021-04-02T16:01:17.000Z","date":"2021-03-31","kind":"grant","acquired":true,"shares":18000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option award was made in accordance with the terms of the Issuer's 2021 Equity Incentive Plan. The option vests as to 25% of the shares on March 31, 2022 with the remaining shares to vest in equal monthly installments over a period of 36 months commencing on April 30, 2022."}],"balance_after":18000,"derivative":{"exercise_price":2,"expiration_date":"2031-03-31","underlying":"Common Stock","underlying_shares":18000},"source":{"system":"sec-edgar","filing":"0000905718-21-000523","document":"smartkem_fm4mar312021.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1817760/000090571821000523/smartkem_fm4mar312021.xml","form_type":"4"}},{"id":3157178,"issuer":{"id":5387,"kind":"organization","name":"DELCATH SYSTEMS, INC.","symbol":"DCTH"},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Series E Convertible Preferred Stock","published_at":"2020-05-08T23:19:34.000Z","date":"2020-05-08","kind":"exercise","acquired":false,"shares":68,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of the Series E Convertible Preferred Stock has no expiration date and a stated value of $1,000 (the \"Stated Value\").  On May 8, 2020, reporting person converted the Series E Preferred Stock into that number of shares of Delcath Systems Inc. common stock determined by dividing the Stated Value by the conversion price of $10.00."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of the Series E Convertible Preferred Stock has no expiration date and a stated value of $1,000 (the \"Stated Value\").  On May 8, 2020, reporting person converted the Series E Preferred Stock into that number of shares of Delcath Systems Inc. common stock determined by dividing the Stated Value by the conversion price of $10.00."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of the Series E Convertible Preferred Stock has no expiration date and a stated value of $1,000 (the \"Stated Value\").  On May 8, 2020, reporting person converted the Series E Preferred Stock into that number of shares of Delcath Systems Inc. common stock determined by dividing the Stated Value by the conversion price of $10.00."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"Each share of the Series E Convertible Preferred Stock has no expiration date and a stated value of $1,000 (the \"Stated Value\").  On May 8, 2020, reporting person converted the Series E Preferred Stock into that number of shares of Delcath Systems Inc. common stock determined by dividing the Stated Value by the conversion price of $10.00."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":6800},"source":{"system":"sec-edgar","filing":"0000899243-20-012461","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/872912/000089924320012461/doc4.xml","form_type":"4"}},{"id":3157177,"issuer":{"id":5387,"kind":"organization","name":"DELCATH SYSTEMS, INC.","symbol":"DCTH"},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2020-05-08T23:19:34.000Z","date":"2020-05-08","kind":"exercise","acquired":true,"shares":6800,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of the Series E Convertible Preferred Stock has no expiration date and a stated value of $1,000 (the \"Stated Value\").  On May 8, 2020, reporting person converted the Series E Preferred Stock into that number of shares of Delcath Systems Inc. common stock determined by dividing the Stated Value by the conversion price of $10.00."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Reflects a one-for-seven hundred (1:700) reverse stock split effected on December 24, 2019."}],"balance_after":12851,"source":{"system":"sec-edgar","filing":"0000899243-20-012461","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/872912/000089924320012461/doc4.xml","form_type":"4"}},{"id":3157176,"issuer":{"id":5387,"kind":"organization","name":"DELCATH SYSTEMS, INC.","symbol":"DCTH"},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2020-05-08T23:19:34.000Z","date":"2020-05-06","kind":"grant","acquired":true,"shares":6040,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Reflects a one-for-seven hundred (1:700) reverse stock split effected on December 24, 2019."}],"balance_after":6051,"source":{"system":"sec-edgar","filing":"0000899243-20-012461","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/872912/000089924320012461/doc4.xml","form_type":"4"}},{"id":3455629,"issuer":{"id":5387,"kind":"organization","name":"DELCATH SYSTEMS, INC.","symbol":"DCTH"},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock Warrant (Right to Buy)","published_at":"2019-07-27T01:28:18.000Z","date":"2019-07-15","kind":"purchase","acquired":true,"shares":1113333,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"The warrant was included together with the purchase of Series E Convertible Preferred Stock purchased by the reporting person for $1,000 per share. The purchase of shares of Series E Convertible Preferred Stock was accompanied by a right to purchase 16,666.67 shares of common stock for an aggregate of 1,113,333 shares of common stock. The exercise price of each share under the warrant is $0.06, subject to adjustment in accordance with the terms of the warrant and is exercisable at any time from the date that the issuer effects a reverse stock split through 5:00 p.m. (NYC time) on the fifth anniversary of the date of the reverse stock split."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The purchase was made in a private (PIPE) transaction with the issuer in which the issuer sold Series E Convertible Preferred Stock and warrants. The transactions contemplated by the PIPE transaction were reported on a current report on Form 8-K filed with the SEC by the issuer on each of July 11, 2019 and July 22, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The warrant was included together with the purchase of Series E Convertible Preferred Stock purchased by the reporting person for $1,000 per share. The purchase of shares of Series E Convertible Preferred Stock was accompanied by a right to purchase 16,666.67 shares of common stock for an aggregate of 1,113,333 shares of common stock. The exercise price of each share under the warrant is $0.06, subject to adjustment in accordance with the terms of the warrant and is exercisable at any time from the date that the issuer effects a reverse stock split through 5:00 p.m. (NYC time) on the fifth anniversary of the date of the reverse stock split."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The warrant was included together with the purchase of Series E Convertible Preferred Stock purchased by the reporting person for $1,000 per share. The purchase of shares of Series E Convertible Preferred Stock was accompanied by a right to purchase 16,666.67 shares of common stock for an aggregate of 1,113,333 shares of common stock. The exercise price of each share under the warrant is $0.06, subject to adjustment in accordance with the terms of the warrant and is exercisable at any time from the date that the issuer effects a reverse stock split through 5:00 p.m. (NYC time) on the fifth anniversary of the date of the reverse stock split."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The warrant was included together with the purchase of Series E Convertible Preferred Stock purchased by the reporting person for $1,000 per share. The purchase of shares of Series E Convertible Preferred Stock was accompanied by a right to purchase 16,666.67 shares of common stock for an aggregate of 1,113,333 shares of common stock. The exercise price of each share under the warrant is $0.06, subject to adjustment in accordance with the terms of the warrant and is exercisable at any time from the date that the issuer effects a reverse stock split through 5:00 p.m. (NYC time) on the fifth anniversary of the date of the reverse stock split."}],"balance_after":1113333,"derivative":{"exercise_price":0.06,"underlying":"Common Stock","underlying_shares":1113333},"source":{"system":"sec-edgar","filing":"0000899243-19-020492","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/872912/000089924319020492/doc4.xml","form_type":"4"}},{"id":3455628,"issuer":{"id":5387,"kind":"organization","name":"DELCATH SYSTEMS, INC.","symbol":"DCTH"},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Series E Convertible Preferred Stock","published_at":"2019-07-27T01:28:18.000Z","date":"2019-07-15","kind":"purchase","acquired":true,"shares":68,"price":1000,"value":68000.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of the Series E Convertible Preferred Stock, par value of $0.01 per share, has a stated value of $1,000 (the \"Stated Value\") and is convertible at any time at the option of the holder into the number of shares of Delcath common stock determined by dividing the Stated Value by the conversion price of $0.06, subject to certain limitations and adjustments contemplated within the Certificate of Designation."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The purchase was made in a private (PIPE) transaction with the issuer in which the issuer sold Series E Convertible Preferred Stock and warrants. The transactions contemplated by the PIPE transaction were reported on a current report on Form 8-K filed with the SEC by the issuer on each of July 11, 2019 and July 22, 2019."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of the Series E Convertible Preferred Stock, par value of $0.01 per share, has a stated value of $1,000 (the \"Stated Value\") and is convertible at any time at the option of the holder into the number of shares of Delcath common stock determined by dividing the Stated Value by the conversion price of $0.06, subject to certain limitations and adjustments contemplated within the Certificate of Designation."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The Series E Convertible Preferred Stock has no expiration date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"The warrant was included together with the purchase of Series E Convertible Preferred Stock purchased by the reporting person for $1,000 per share. The purchase of shares of Series E Convertible Preferred Stock was accompanied by a right to purchase 16,666.67 shares of common stock for an aggregate of 1,113,333 shares of common stock. The exercise price of each share under the warrant is $0.06, subject to adjustment in accordance with the terms of the warrant and is exercisable at any time from the date that the issuer effects a reverse stock split through 5:00 p.m. (NYC time) on the fifth anniversary of the date of the reverse stock split."}],"balance_after":68,"derivative":{"exercise_price":0.06,"underlying":"Common Stock","underlying_shares":1113333},"source":{"system":"sec-edgar","filing":"0000899243-19-020492","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/872912/000089924319020492/doc4.xml","form_type":"4"}},{"id":3675711,"issuer":{"id":5387,"kind":"organization","name":"DELCATH SYSTEMS, INC.","symbol":"DCTH"},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Stock Options","published_at":"2019-02-06T02:06:17.000Z","date":"2019-02-01","kind":"grant","acquired":true,"shares":250000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The stock options vest in equal amounts of 20,833 options for 11 consecutive months commencing on the one month anniversary of the grant date, and the balance of the options (20,837) vesting on the 12 month anniversary of the grant date.  Options are immediately exercisable upon vesting."}],"balance_after":250000,"derivative":{"exercise_price":0.281,"expiration_date":"2029-02-01","underlying":"Common Stock","underlying_shares":250000},"source":{"system":"sec-edgar","filing":"0000899243-19-002733","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/872912/000089924319002733/doc4.xml","form_type":"4"}},{"id":3785587,"issuer":{"id":5387,"kind":"organization","name":"DELCATH SYSTEMS, INC.","symbol":"DCTH"},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2018-10-23T20:16:30.000Z","date":"2018-09-28","kind":"purchase","acquired":true,"shares":7399,"price":1.75,"value":12948.25,"ownership":{"direct":true},"balance_after":7500,"source":{"system":"sec-edgar","filing":"0000899243-18-027289","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/872912/000089924318027289/doc4.xml","form_type":"4"}},{"id":3855798,"issuer":{"id":5387,"kind":"organization","name":"DELCATH SYSTEMS, INC.","symbol":"DCTH"},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2018-08-02T23:17:01.000Z","date":"2018-08-01","kind":"purchase","acquired":true,"shares":100,"price":2.39,"value":239.0,"ownership":{"direct":true},"balance_after":101,"source":{"system":"sec-edgar","filing":"0000899243-18-021271","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/872912/000089924318021271/doc4.xml","form_type":"4"}},{"id":4270598,"issuer":{"id":5387,"kind":"organization","name":"DELCATH SYSTEMS, INC.","symbol":"DCTH"},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2017-06-29T20:30:23.000Z","date":"2017-06-27","kind":"tax_withholding","acquired":false,"shares":168,"price":0.2173,"value":36.5064,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares withheld and disposed of by the issuer's equity plan administrator to satisfy withholding taxes due in connection with the vesting of shares underlying a previously disclosed equity award."}],"balance_after":23887,"source":{"system":"sec-edgar","filing":"0000899243-17-017525","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/872912/000089924317017525/doc4.xml","form_type":"4"}},{"id":4458156,"issuer":{"id":5387,"kind":"organization","name":"DELCATH SYSTEMS, INC.","symbol":"DCTH"},"owners":[{"id":75740,"kind":"person","name":"Keck Barbra","position":1,"cik":"0001464238","reported_name":"Keck Barbra","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Finance"}}],"security":"Common Stock","published_at":"2017-02-10T21:17:59.000Z","date":"2017-02-08","kind":"grant","acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Consists of a restricted share award. The shares are subject to vesting on the first anniversary of the date of grant."}],"balance_after":24055,"source":{"system":"sec-edgar","filing":"0000899243-17-003461","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/872912/000089924317003461/doc4.xml","form_type":"4"}}]}