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EQUITY INCENTIVE PLAN (Narrative) (Details) - USD ($)
1 Months Ended 3 Months Ended
Jan. 31, 2018
Mar. 31, 2018
Mar. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation   $ 100,000 $ 0
Number of additional shares authorized 5,389,500    
Number of shares authorized 6,056,166    
Number of additional annual shares authorized 500,000    
Maximum number of shares per employee 1,000,000    
Award plan, percentage of outstanding stock maximum 5.00%    
Unrecognized compensation expense related to unvested stock awards   $ 2,400,000  
Unvested stock options, unrecognized compensation expense weighted average recognition period   3 years 7 months 6 days  
Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options, expected to vest, outstanding (in shares)   2,650,694  
Stock options, expected to vest, outstanding, aggregate intrinsic value   $ 0  
Stock options, expected to vest remaining contractual term   9 years 9 months 18 days  
Weighted average grant date fair value (in dollars per share)   $ 0.65  
Risk free interest rate, minimum   2.63%  
Volatility rate   135.00%  
Term   6 years  
Equity Incentive Plan 2017 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Plan expiration date   Jun. 05, 2027  
Equity Incentive Plan 2017 [Member] | Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for issuance   666,666  
Minimum | Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options, unvested options, vesting period   1 year  
Maximum | Employee Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options, unvested options, vesting period   4 years