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All RSUs shall be settled in common shares only and will vest and be delivered on June 30, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Includes 36,585 shares underlying restricted stock units (\"RSUs\") that are not yet vested and deliverable. 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All RSUs shall be settled in common shares only and will vest and be delivered on March 31, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"In accordance with Instruction 4 to this Form, Column 9 reports only total beneficial ownership of RSUs, the \"class\" of derivative security reported in Column 1."}],"balance_after":20378,"derivative":{"exercise_price":0,"exercise_date":"2020-03-31","expiration_date":"2025-03-31","underlying":"Common Shares","underlying_shares":20378},"source":{"system":"sec-edgar","filing":"0001621832-20-000019","document":"wf-form4_157844614479024.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274227/000162183220000019/wf-form4_157844614479024.xml","form_type":"4"}},{"id":3397257,"issuer":{"id":7979,"kind":"organization","name":"Aqua Metals, Inc."},"owners":[{"id":149978,"kind":"person","name":"KAPOOR SUSHIL","position":1,"cik":"0001274227","reported_name":"KAPOOR SUSHIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Share Units","published_at":"2019-10-04T17:40:25.000Z","date":"2019-10-02","kind":"grant","acquired":true,"shares":8824,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Includes 8,824 shares underlying restricted stock units (\"RSUs\") that are not yet vested and deliverable.  All RSUs shall be settled in common shares only and will vest and be delivered on December 31, 2019."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 56,071 Stock Options and 8,824 RSUs"}],"balance_after":64895,"derivative":{"exercise_price":0,"exercise_date":"2019-12-31","expiration_date":"2023-12-31","underlying":"Common Shares","underlying_shares":8824},"source":{"system":"sec-edgar","filing":"0001621832-19-000103","document":"wf-form4_157022520194518.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274227/000162183219000103/wf-form4_157022520194518.xml","form_type":"4"}},{"id":3467596,"issuer":{"id":7979,"kind":"organization","name":"Aqua Metals, Inc."},"owners":[{"id":149978,"kind":"person","name":"KAPOOR SUSHIL","position":1,"cik":"0001274227","reported_name":"KAPOOR SUSHIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-07-03T15:48:39.000Z","date":"2019-07-01","kind":"grant","acquired":true,"shares":9317,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 9,317 common shares underlying restricted stock units (\"RSUs\") that are not yet vested and deliverable. All RSUs shall be settled in common shares only and will vest and be delivered on September 30, 2019."}],"balance_after":55129,"source":{"system":"sec-edgar","filing":"0001621832-19-000056","document":"wf-form4_156218330320788.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1274227/000162183219000056/wf-form4_156218330320788.xml","form_type":"4"}},{"id":3520352,"issuer":{"id":7979,"kind":"organization","name":"Aqua Metals, Inc."},"owners":[{"id":149978,"kind":"person","name":"KAPOOR SUSHIL","position":1,"cik":"0001274227","reported_name":"KAPOOR SUSHIL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Shares","published_at":"2019-05-17T17:46:51.000Z","date":"2019-05-16","kind":"purchase","acquired":true,"shares":5000,"price":1.92,"value":9600.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 4,839 common shares underlying restricted stock units (\"RSUs\") that are not yet vested and deliverable. 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