STOCKHOLDERS' EQUITY - Stock Options Assumptions (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Stock options
Stock-based compensation
Weighted average grant date fair value of grants	$ 3.36
Assumptions:
Stock price volatility (as a percent)	61.87%
Risk free rate of return (as a percent)	1.21%
Expected term	4 years 9 months
Restricted Stock
Stock-based compensation
Weighted average grant date fair value of grants		$ 6.13
Assumptions:
Stock price volatility (as a percent)		51.79%
Risk free rate of return (as a percent)		1.22%
Expected term		3 years 10 months 24 days