ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Cash and cash equivalents	$ 7,911	$ 7,731	$ 13,682	$ 13,777
Credit card receivables	1,900	1,400
Cash and cash equivalents held in foreign bank accounts	4,000	3,500
Restricted cash	1,600	1,700
Notes payable	500
Current notes payable	$ 525	240
Debt, Weighted Average Interest Rate	10.50%
Revenue, Remaining Performance Obligation Delivery, Amount	$ 1,100	1,400
Revenue, Remaining Performance Obligation Associate Fees, Amount	100
Customer Loyalty Program Contract Liability, Current	3,056	3,242	3,748	$ 4,167
Allowance for doubtful accounts	1,200		$ 1,109
South Korea
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net assets	$ 3,500	$ 2,300