SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Money market fund	$ 4,400,000	$ 8,800,000
Advertising costs	369,000	431,000
Uncertain tax positions	0	0	$ 0
Uncertain tax positions, interest or penalties expensed	$ 0	$ 0