Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS??? EQUITY - Warrants Outstanding (Details)

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STOCKHOLDERS’ EQUITY - Warrants Outstanding (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Number of shares    
Warrants outstanding, beginning balance (in shares) 3,777,549  
Issued (in shares) 130,727  
Warrants outstanding, ending balance (in shares) 3,908,276 3,777,549
Warrants exercisable (in shares) 3,501,004  
Weighted average exercise price    
Outstanding, beginning balance (in dollars per share) $ 5.42  
Issued (in dollars per share) 5.72  
Outstanding, ending balance (in dollars per share) 5.43 $ 5.42
Weighted average exercise price of warrants, exercisable (in dollars per share) $ 6.06  
Weighted average remaining life (years)    
Outstanding at end of period 3 years 11 months 19 days 4 years 5 months 12 days
Weighted average remaining life, exercisable 4 years 4 months 9 days  
Aggregate intrinsic value (in thousands)    
Outstanding at end of period $ 525 $ 1,259
Aggregate intrinsic value, exercisable $ 0