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SHAREHOLDERS' EQUITY (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 6 Months Ended
Mar. 15, 2021
Apr. 30, 2021
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Securities offerings, reserved for future issuance         $ 150.0
Stock options outstanding (in shares)     25,417    
Stock options outstanding, weighted average option exercise price (in dollars per share)     $ 4.01    
Stock options granted (in shares)     0    
Stock options exercised (in shares)     0    
Stock options cancelled (in shares)     0    
Public Stock Offering          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares issued in transaction (in shares) 3,500,000 100,650      
Sale of stock, price per share (in dollars per share) $ 4.75        
Gross consideration received $ 16.6        
Net proceeds received $ 15.1 $ 0.4      
Restricted stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award requisite service period     1 year    
Restricted stock awards, granted (in shares)     171,576 210,272  
Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period     3 years    
Minimum | Restricted stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Ultimate expense range, percent of target     0.00%    
Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period     5 years    
Maximum | Restricted stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Ultimate expense range, percent of target     250.00%