Annual report pursuant to Section 13 and 15(d)

SUBSEQUENT EVENTS (Details)

v3.22.1
SUBSEQUENT EVENTS (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 30, 2022
Mar. 25, 2022
Mar. 31, 2022
Mar. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Nov. 14, 2021
Subsequent Event [Line Items]              
Converted instrument, shares issued (in shares)         1,794,291    
Conversion price (in dollars per share)         $ 0.13    
Conversion of convertible debt         $ 230 $ 0  
Principal amount         310 3,627  
Proceeds from issuance of convertible notes         $ 1,000 $ 0  
Preferred stock, par value (in USD per share)         $ 0.0001 $ 0.0001  
Convertible Debt              
Subsequent Event [Line Items]              
Conversion price (in dollars per share)             $ 0.2611
Conversion of convertible debt         $ 230    
Interest expense         $ 38    
Principal amount             $ 1,060
Discount percentage             6.00%
Subsequent Event              
Subsequent Event [Line Items]              
Securities called by preferred stock and warrants (in shares) 10,000,000            
Preferred stock, par value (in USD per share) $ 1,000            
Conversion price (in dollars per share) $ 0.07            
Proceeds from issuance of preferred stock $ 700            
CARES act, tax credit received under relief provision     $ 2,000        
Subsequent Event | Preferred Stock              
Subsequent Event [Line Items]              
Stock issued during period (in shares) 700            
Subsequent Event | Convertible Debt              
Subsequent Event [Line Items]              
Converted instrument, shares issued (in shares)       6,804,281      
Conversion price (in dollars per share)     $ 0.10 $ 0.10      
Conversion of convertible debt       $ 700      
Interest expense       $ 600      
Principal amount   $ 1,060          
Proceeds from issuance of convertible notes   $ 1,060          
Discount percentage   6.00%