CONTINGENCIES - Additional Information (Details) - USD ($) $ in Thousands		1 Months Ended
	Dec. 15, 2017	Aug. 31, 2021
Reith v. Lichtenstein
Contingencies [Line Items]
Cash paid to plaintiff		$ 2,750
Reith v. Lichtenstein | Director | Restricted Stock
Contingencies [Line Items]
Number of shares surrendered		3,300,000
Reith v. Lichtenstein | Director | Restricted Stock | Warren Lichtenstein
Contingencies [Line Items]
Number of vested shares surrendered		1,833,333
Number of nonvested shares surrendered		300,000
Reith v. Lichtenstein | Director | Restricted Stock | Jack Howard
Contingencies [Line Items]
Number of vested shares surrendered		916,667
Number of nonvested shares surrendered		150,000
Reith v. Lichtenstein | Director | Restricted Stock | William Fejes
Contingencies [Line Items]
Number of vested shares surrendered		100,000
Purchase agreement | SPHG Holdings | Series C convertible preferred stock
Contingencies [Line Items]
Proceeds from issuance of preferred stock	$ 35,000