Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Additional Information (Details)

v3.20.2
STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   653,750 411,930    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 904,000 $ 904,000      
Employee Service Share Based Compensation Nonvested Total Compensation In Current Year   114,000      
Employee Service Share Based Compensation Nonvested Total Compensation In Year Two   425,000      
Employee Service Share Based Compensation Nonvested Total Compensation In Year Three   292,000      
Employee Service Share Based Compensation Nonvested Total Compensation in Year Four   $ 73,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price $ 1.45 $ 1.45      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 6.91        
Non-vested restricted stock [Member] | Stock Incentive Plan 2015 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period         46,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value         $ 20.96
Employee [Member] | Non-vested restricted stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Annual Forfeiture Rate Percentage   2.00%   2.00%