Quarterly report pursuant to Section 13 or 15(d)

SIGNIFICANT ACCOUNTING POLICIES - Net Loss Per Common Share (Details)

v3.22.1
SIGNIFICANT ACCOUNTING POLICIES - Net Loss Per Common Share (Details) - $ / shares
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Net Loss Per Common Share      
Shares excluded from the calculation of weighted average dilutive common shares 6,380,301 5,351,982  
Number of warrants exercisable (in shares) 368,711   462,997
Warrants term (in years) 5 years   5 years
Warrants to purchase shares of common stock 368,711   462,997
Exercise price of warrants (in dollars per share) $ 5.50   $ 5.50
Warrants      
Net Loss Per Common Share      
Shares excluded from the calculation of weighted average dilutive common shares 5,122,074 5,234,721  
Restricted stock units (RSUs)      
Net Loss Per Common Share      
Shares excluded from the calculation of weighted average dilutive common shares 855,989    
Restricted stock awards      
Net Loss Per Common Share      
Shares excluded from the calculation of weighted average dilutive common shares 307,791    
Stock options      
Net Loss Per Common Share      
Shares excluded from the calculation of weighted average dilutive common shares 94,447 117,261