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Stockholders' Equity
6 Months Ended
Jun. 30, 2021
Equity [Abstract]  
Stockholders' Equity Stockholders' Equity During the first quarter of 2021, 1,260,000 and 1,294,999 warrants were exercised at $7.06 and $7.98 per share of common stock, respectively, resulting in gross cash proceeds of $19.2 million.