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STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($)					3 Months Ended		6 Months Ended
	Apr. 01, 2021	Feb. 11, 2021	Feb. 10, 2021	Jan. 04, 2021	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2021	Jun. 30, 2020
Stock options exercised for cash (Shares)							1,456
Net proceeds from exercise of stock options							$ 3,087	$ 0
Exercise price					$ 3.06		$ 3.06
Compensation cost not yet recognized					$ 11,200,000		$ 11,200,000
Compensation cost not yet recognized, period for recognition							2 years 3 months 18 days
2020 Equity Incentive Plan | Chief Executive Officer
Exercise price of options granted		$ 3.06
2021 Equity Incentive Awards | Employees
Exercise price					$ 2.19	$ 1.47	$ 2.19
Award vesting period	3 years			3 years
Number of options to purchase shares					100,000	90,000	100,000
Vesting percentage	25.00%			25.00%	75.00%	75.00%
2021 Equity Incentive Awards | 2020 Equity Incentive Plan | Executive officer
Number of Shares, Granted			740,000
Exercise price			$ 3.29
Award vesting period			4 years
2021 Equity Incentive Awards | 2020 Equity Incentive Plan | Non-executive employees
Number of Shares, Granted			260,000
Exercise price			$ 3.29
Award vesting period			4 years
2021 Equity Incentive Awards | 2020 Equity Incentive Plan | Chief Executive Officer
Number of options to purchase shares		430,000

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