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Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - shares
3 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]            
Warrants exercised (shares)         5  
Purchase of treasury stock (shares) 440 13,969 60,177 958 1,098 26,675
Vesting of share-based compensation (shares) 1,802 51,332 283,113 3,953 49,665 105,108
Issuance of common stock 669,600          
Issuance pursuant to acquisition 516,675