Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Additional Information (Details)

v3.21.2
STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($)
6 Months Ended 12 Months Ended
Mar. 04, 2021
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2017
Jun. 23, 2021
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 2,810,000 3,517,500 553,750    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized   $ 3,482,000      
Employee Service Share Based Compensation Nonvested Total Compensation In Current Year   855,000      
Employee Service Share Based Compensation Nonvested Total Compensation In Year Two   1,416,000      
Employee Service Share Based Compensation Nonvested Total Compensation In Year Three   1,037,000      
Employee Service Share Based Compensation Nonvested Total Compensation in Year Four   $ 174,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price   $ 0.92      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 1.74 $ 4.24      
2021 Stock Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common Stock, Capital Shares Reserved for Future Issuance         6,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant   3,158,362      
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  
Minimum | 2021 Stock Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   1 year      
Maximum | 2021 Stock Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   4 years