CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Cash and cash equivalents	$ 28,162	$ 16,041
Short-term investments	18,063	0
Allowance for bad debt	430	1,260
Prepaid expenses and other current assets	6,823	6,641
Property and equipment, net	96,690	95,568
Other assets	2,002	818
Accrued expenses	8,858	9,005
Customer deposits	803	1,281
Long-term debt, current portion	1,111	957
Long-term debt, net of current portion and debt discount	219	216
Other liabilities	$ 2,824	$ 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)	19,916,839	19,908,005
Common stock, shares outstanding (in shares)	19,893,839	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	$ 7,770	$ 2,022
Short-term investments	8,000	0
Allowance for bad debt	0	6
Prepaid expenses and other current assets	25	191
Property and equipment, net	44,489	45,399
Other assets	55	38
Accounts payable	60	2
Accrued expenses	461	625
Customer deposits	116	165
Long-term debt, current portion	1,111	957
Long-term debt, net of current portion and debt discount	48,668	41,558
Other liabilities	$ 1,302	$ 1,302