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Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share price of common stock issued   $ 2.00
Common stock for options exercise, 3.80 per share issue $ 3.80  
Common stock for options exercise, 3.10 per share issue 3.10  
Common stock for options exercise, 2.93 per share issue 2.93  
Common stock for options exercise, 1.90 per share issue 1.90 1.90
Common stock for options exercise, 1.85 per share issue 1.85  
Common stock for options exercise, 1.21 per share issue 1.21  
Common stock for options exercise, 0.98 per share issue 0.98  
Common stock for options exercise, 0.89 per share issue 0.89 0.89
Common stock for options exercise, 1.00 per share issue   1.00
Common stock for options exercise, 0.72 per share issue   0.72
Common stock for warrants exercise, price per share 1.80  
Share price of shares issued in secondary offering (in dollars per share)   2.00
Common stock for services 1.93 per share 1.93  
Common stock for services 2.33 per share 2.33 2.33
Common stock for services 1.03 per share   $ 1.03
At The Market Facility (ATM)    
Share price of common stock issued $ 5.03