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STOCK-BASED COMPENSATION - Narrative (Details)
1 Months Ended 12 Months Ended
Sep. 30, 2022
USD ($)
Jun. 30, 2020
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Jun. 30, 2019
shares
Jun. 30, 2017
shares
Aug. 31, 2016
$ / shares
shares
Jun. 30, 2016
shares
Dec. 31, 2020
USD ($)
quarter
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Jan. 31, 2014
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Grant date fair value               $ 177,000 $ 271,000  
Nonvested stock options (in shares) | shares     351,160         185,673 351,160  
Weighted average grant date fair value (in dollars per share) | $ / shares               $ 1.68    
Unrecognized compensation expense related to unvested employee stock option               $ 4,900,000    
Weighted average period               1 year 9 months 18 days    
Options vested, aggregate intrinsic value               $ 3,000    
Expense, tax benefit               0 $ 0  
Total fair value vested               6,200,000 5,200,000  
Compensation cost not yet recognized               73,500    
Sales, Marketing and Administration                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock compensation expense               $ 42,000    
Common Stock Options                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of quarter over which awards vest from grant date subsequent to initial vesting | quarter               16    
Stock compensation expense               $ 236,000 $ 430,000  
Weighted average grant date fair value of nonvested stock options (in dollars per share) | $ / shares     $ 2.47         $ 2.05 $ 2.47  
Unrecognized compensation expense related to unvested employee stock option               $ 345,000    
Weighted average period               2 years 4 months 24 days    
Options outstanding, aggregate intrinsic value     $ 98,000         $ 170,000 $ 98,000  
Options vested, aggregate intrinsic value     $ 68,000         $ 130,000 $ 68,000  
Share price (in dollars per share) | $ / shares               $ 2.65    
Common Stock Options | Minimum                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share price (in dollars per share) | $ / shares     $ 1.52         1.74 $ 1.52  
Common Stock Options | Maximum                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share price (in dollars per share) | $ / shares     $ 3.26         $ 2.85 $ 3.26  
Non-vested restricted stock unit awards                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock compensation expense               $ 5,500,000 $ 5,400,000  
Weighted average period               2 years 1 month 6 days    
Granted (in shares) | shares               3,091,206 2,115,177  
Non-vested restricted stock unit awards | Minimum                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period               3 years    
Non-vested restricted stock unit awards | Maximum                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period               4 years    
Performance Based Awards                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Weighted average period                 1 year 9 months 18 days  
Incentive Bonus Awards                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Accrued bonuses     $ 343,000         $ 0 $ 343,000  
2014 Omnibus Incentive Plan                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of shares of common stock approved for issuance (in shares) | shares               14,950,000   1,400,000
Number of additional shares authorized (in shares) | shares   5,000,000   4,000,000 3,250,000   1,300,000      
Reserved for future issuance (in shares) | shares               5,730,815    
2015 Performance Plan | Performance Based Awards | Research and Development                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock compensation expense               $ 9,000 $ 2,000  
Employees                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Weighted average grant date fair value (in dollars per share) | $ / shares                 $ 1.76  
Employees | Common Stock Options                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Forfeitures rate               10.00% 6.00%  
Employees | Non-vested restricted stock unit awards | Minimum                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Vesting period               10 days    
Employees and Consultants | Common Stock Options                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Term of award               10 years    
Executive Employees                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share price (in dollars per share) | $ / shares     $ 2.15           $ 2.15  
Executive Employees | Performance Based Awards                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share price (in dollars per share) | $ / shares           $ 5.06   $ 2.73    
Granted (in shares) | shares     200,000 500,000   250,000        
Award vesting rights, percentage               50.00%    
Executive Employees | Performance Based Awards | Maximum                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award vesting rights, percentage               50.00%    
Executive Employees | 2015 Performance Plan | Performance Based Awards                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Compensation cost not yet recognized     $ 15,000           $ 15,000  
Common stock options | Common Stock Options                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share price (in dollars per share) | $ / shares     $ 2.42           $ 2.42  
Common stock options | Executive Employees | 2015 Performance Plan                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Fair value of award     $ 26,000              
Common stock options | Executive Employees | 2015 Performance Plan | Performance Based Awards                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Fair value of award               $ 74,000    
Common stock options | Executive Employees | 2015 Performance Plan | Performance Based Awards | Sales, Marketing and Administration                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock compensation expense                 $ 37,000  
Forecast | Common stock options | Executive Employees | 2015 Performance Plan | Performance Based Awards                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Fair value of award $ 147,000