XML 64 R54.htm IDEA: XBRL DOCUMENT v3.21.2
Net Income (Loss) Per Share (Details) - shares
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Non-employees [Member]    
Net Income (Loss) Per Share (Textual)    
Warrants to purchase shares of common stock 36,436 52,337
Non-Director [Member]    
Net Income (Loss) Per Share (Textual)    
Warrants to purchase shares of common stock 884,344 465,518
Restricted Stock Units [Member]    
Net Income (Loss) Per Share (Textual)    
Warrants to purchase shares of common stock 126,890 353,190