INCOME TAXES - Reconciliation of Income Tax Expense from Statutory Federal Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Difference between total income tax expense and the amount computed by applying the statutory Federal income tax rate to income before taxes:
Income tax at statutory rate	$ 1,195	$ 4,869	$ 1,924
State income taxes, net of Federal benefit	578	1,851	802
Excess stock compensation (benefit) expense	(501)	(147)	34
Non-deductible compensation	1,302	1,008	539
Oil and mineral depletion	(130)	(147)	(108)
Permanent differences	9	10	26
Stock compensation true-up	0	0	641
Other	(130)	(51)	(37)
Provision for income taxes	$ 2,323	$ 7,393	$ 3,821
Effective tax rate	41.60%	31.90%	41.70%