CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Cash and cash equivalents	$ 23,076	$ 16,041
Allowance for bad debt	392	1,260
Prepaid expenses and other current assets	6,219	6,641
Property and equipment, net	95,226	95,568
Other assets	619	818
Accrued expenses	10,576	9,005
Customer deposits	951	1,281
Long-term debt, current portion	1,122	957
Other payable	3,200	0
Long-term debt, net of current portion	(203)	(216)
Other liabilities	$ 26	$ 2,652
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	19,988,482	19,908,005
Common stock, shares outstanding (in shares)	19,965,482	19,885,005
Treasury stock, par value (in dollars per share)	$ 0.001	$ 0.001
Treasury stock, shares (in shares)	23,000	23,000
VIE, Primary Beneficiary
Cash and cash equivalents	$ 13,566	$ 2,022
Allowance for bad debt	0	6
Prepaid expenses and other current assets	82	191
Property and equipment, net	44,185	45,399
Other assets	53	38
Accounts payable	63	2
Accrued expenses	591	625
Customer deposits	116	165
Long-term debt, current portion	1,122	957
Other payable	1,302	0
Long-term debt, net of current portion	(48,396)	(41,558)
Debt discount	(203)	(216)
Other liabilities	$ 0	$ 1,302