STOCKHOLDERS’ EQUITY AND EARNINGS PER SHARE (Details) $ / shares in Units, $ in Thousands				12 Months Ended
	Feb. 11, 2020 USD ($) shares	Feb. 10, 2020 shares	Feb. 06, 2020 $ / shares shares	Dec. 31, 2021 USD ($) vote $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	May 31, 2021 USD ($)	Aug. 14, 2020 USD ($)
Class of Stock [Line Items]
Common stock, shares authorized (in shares)				100,000,000	100,000,000
Number of votes | vote				1
Sales of common stock, net of offering costs (in shares)	201,000
Common stock, par value (in dollars per share) | $ / shares				$ 0.001	$ 0.001
Sales of common stock, net of offering costs | $	$ 28,800			$ 17,986	$ 37,447
Gross proceeds from the sale of common stock | $	$ 26,400			$ 18,614	$ 40,173
Preferred stock, shares authorized (in shares)				3,000,000	3,000,000
Preferred stock, shares issued (in shares)				0
Earnings Per Share [Abstract]
Shares excluded from computation of earnings per share (in shares)				4,371,704	4,179,760
Park City Capital
Class of Stock [Line Items]
Sales of common stock, net of offering costs (in shares)	134,000
Underwritten Public Offering
Class of Stock [Line Items]
Sales of common stock, net of offering costs (in shares)	19,166,667		16,666,667
Common stock, par value (in dollars per share) | $ / shares			$ 0.001
Share price (in dollars per share) | $ / shares			$ 1.50
Over-Allotment Option
Class of Stock [Line Items]
Sales of common stock, net of offering costs (in shares)	2,500,000
At-The-Market Equity Offering
Class of Stock [Line Items]
Share price (in dollars per share) | $ / shares				$ 3.33	$ 2.48
Gross proceeds from the sale of common stock | $				$ 18,100	$ 11,000
Remaining authorized amount to be sold | $							$ 25,000
Sale of stock, authorized amount | $						$ 50,000
Sales of common stock (in shares)				5,592,570	4,609,701
Sale of common stock, net of offering costs | $				$ 18,600	$ 11,400
Common Stock
Earnings Per Share [Abstract]
Shares excluded from computation of earnings per share (in shares)				945,076	1,140,975
Common Stock | Over-Allotment Option
Class of Stock [Line Items]
Sales of common stock, net of offering costs (in shares)		2,500,000
Option to purchase period		30 days
Non-vested restricted stock units
Earnings Per Share [Abstract]
Shares excluded from computation of earnings per share (in shares)				3,426,628	3,038,785