Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS??? EQUITY - Common Stock (Details)

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STOCKHOLDERS’ EQUITY - Common Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Feb. 28, 2022
Feb. 18, 2022
Jan. 14, 2022
Jun. 30, 2022
Jun. 30, 2022
Dec. 31, 2021
Class of Stock [Line Items]            
Exercise price of warrants (in dollars per share)       $ 5.43 $ 5.43 $ 5.42
Number of shares of common stock issued upon exercise of options and restricted stock       23,120 36,071  
Private Placement | OpenSky Opportunities Fund Ltd.            
Class of Stock [Line Items]            
Shares issued in IPO (in shares)   58,000        
Shares issued in IPO, price per share (in dollars per share)   $ 6.00        
Proceeds from Issuance of Private Placement   $ 348        
Common Stock            
Class of Stock [Line Items]            
Number of shares of common stock purchased 58,000          
Common Stock | Private Placement | OpenSky Opportunities Fund Ltd.            
Class of Stock [Line Items]            
Shares issued per each unit (in shares)   1        
Number of shares purchased in transaction per unit   1        
Warrants            
Class of Stock [Line Items]            
Common stock issued for services (in shares) 58,000          
Exercise price of warrants (in dollars per share) $ 6.00          
Warrants | Private Placement | OpenSky Opportunities Fund Ltd.            
Class of Stock [Line Items]            
Shares issued per each unit (in shares)   1        
Exercise price of warrants (in dollars per share)   $ 6.00        
Warrant lock-up period   180 days        
Period which warrants are exercisable   5 years        
Consultants | Common Stock | IPO            
Class of Stock [Line Items]            
Common stock issued for services (in shares)     78,025      
Fair value of common stock issued     $ 365      
Fair value per warrant (in dollars per share)     $ 1.25      
Fair value assumptions, fair value per share (in dollars per share)     $ 2.28      
Expected volatility     90.81%      
Dividend yield     0.00%      
Risk-free rate     0.87%      
Expected term (in years)     5 years      
Fair value issued for service     $ 91      
Exercise price of warrants (in dollars per share)     $ 5.50      
Number of shares of common stock purchased     72,727      
Consultants | Warrants | IPO            
Class of Stock [Line Items]            
Common stock issued for services (in shares)     72,727