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EQUITY INCENTIVE PLAN (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation $ 400 $ 700 $ 1,200 $ 3,400
Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares)     58,530  
Granted (in dollars per share)     $ 12.12  
Forfeited (in shares)     (8,384)  
Forfeited (in dollars per share)     $ 24.12  
Weighted average grant date fair value (in dollars per share)     $ 11.60  
Risk free interest rate, minimum     3.66%  
Risk free interest rate, maximum     4.05%  
Term     6 years  
Stock options, expected to vest, outstanding (in shares) 210,096   210,096  
Stock options, expected to vest, outstanding, aggregate intrinsic value $ 0   $ 0  
Stock options, expected to vest remaining contractual term     7 years 9 months 18 days  
Unrecognized compensation expense related to unvested stock awards $ 2,500   $ 2,500  
Unvested stock options, unrecognized compensation expense weighted average recognition period (in years)     2 years 1 month 6 days  
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options, expected to vest, outstanding (in shares) 2,492   2,492  
Restricted stock granted 2,492 0 2,492 0
Awards outstanding 0   0  
Award weight average grant date fair value $ 5.90   $ 5.90  
Stock-based compensation $ 16   $ 16  
Minimum [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Volatility rate     146.00%  
Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Volatility rate     162.00%  
Maximum [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options, unvested options, vesting period     4 years  
Equity Incentive Plan 2017 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized 249,693   249,693  
Shares available for grant 12,926   12,926  
Percentage of annual increase in number of shares authorized for grant     5.00%  
Number of additional shares authorized     57,051  
Equity Incentive Plan 2017 [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Plan expiration date     Jun. 05, 2027