Quarterly report pursuant to Section 13 or 15(d)

SHAREHOLDERS' EQUITY - Additional Information (Details)

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SHAREHOLDERS' EQUITY - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Oct. 27, 2021
Oct. 15, 2021
Sep. 17, 2021
Nov. 30, 2021
Aug. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Class of Stock [Line Items]                    
Gross proceeds from sale of equity                 $ 2,700  
Proceeds from warrants issued                 $ 10,800  
Warrant price (per share)             $ 0.01   $ 0.01  
Minimum Period For Increase Or Decrease In Ownership Percentage                 61 days  
Gross proceeds from issuance of stock             $ 5,000   $ 5,000  
Issuance of Units for cash               $ 41,000   $ 41,000
Gross proceeds from issuance of common stock for cash In Under LPC Purchase Agreement                 1,172  
Common Stock                    
Class of Stock [Line Items]                    
Number of shares issued               2,485,000   2,485,000
Gross proceeds from issuance of stock             $ 1   $ 1  
Issuance of Units for cash               $ 2   $ 2
Maximum number of shares issued                 116,000  
Maximum [Member]                    
Class of Stock [Line Items]                    
Warrants Designated Percentage Elected By Holder                 19.99%  
Minimum [Member]                    
Class of Stock [Line Items]                    
Warrants Designated Percentage Elected By Holder                 4.99%  
Underwritten Public Offering                    
Class of Stock [Line Items]                    
Number of shares issued   6,030,847   116,266            
Sale of Stock, Price Per Share   $ 6.50         $ 6.50   $ 6.50  
Gross proceeds from sale of equity   $ 39,200   $ 800            
Pre-funded warrants to purchase shares of common stock   1,661,461                
Warrants issued (In shares)   1,661,461                
Shares issue price   $ 6.49                
Proceeds from warrants issued   $ 10,800                
Gross proceeds from underwritten offering excluding underwriting options                 $ 50,000  
Underwriting discounts and commissions ( In percentage)                 6.00%  
Other offering costs                 $ 300  
Total offering Cost                 3,300  
Net Proceeds from underwritten offering                 $ 46,700  
Underwriters option period                 30 days  
Maximum number of additional shares issued                 1,153,845  
Registered Direct Offering                    
Class of Stock [Line Items]                    
Number of shares issued                 769,231  
Sale of Stock, Price Per Share             $ 6.50   $ 6.50  
Gross proceeds from issuance of stock $ 5,000                  
Equity Distribution Agreement                    
Class of Stock [Line Items]                    
Gross proceeds from sale of equity             $ 48,500      
Underwriting discounts and commissions ( In percentage)           3.00%        
Net Proceeds from underwritten offering                 $ 1,500  
Issuance of Units for cash           $ 50,000        
Equity Distribution Agreement | Common Stock                    
Class of Stock [Line Items]                    
Number of shares issued                 138,388  
LPC Purchase Agreement                    
Class of Stock [Line Items]                    
Number of shares issued             95,708      
Gross proceeds from sale of equity                 $ 1,000  
Shares issue price             $ 10.45   $ 10.45  
Maximum Number Of Shares Purchased     20,000              
Maximum purchase price committed obligation             $ 18,800   $ 18,800  
Maximum percentage of number of shares purchased pursuant to Regular Purchase Notice             300.00%   300.00%  
Maximum volume of shares of common stock traded on NCM             30.00%   30.00%  
Maximum percentage of Purchase Price for Each Accelerated Purchase             97.00%   97.00%  
Net proceeds from transfer of shares     $ 200              
Common Stock | LPC Purchase Agreement                    
Class of Stock [Line Items]                    
Gross proceeds from issuance of common stock for cash In Under LPC Purchase Agreement         $ 20,000          
Maximum number of shares issued         1,669,620          
Commitment shares issued                 33,799  
Maximum Number Of Shares Purchased             25,000   25,000  
Maximum purchase price committed obligation             $ 2,000   $ 2,000