CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 10,772	$ 18,603
Restricted cash	5,000	5,000
Short-term investments	265	265
Accounts receivable, net of allowance for doubtful accounts of $250 at December 31, 2023 and 2022	12,735	7,972
Employee retention credit receivable		3,035
Prepaid expenses and other current assets	8,654	8,951
Total current assets	37,426	43,826
Property and equipment	241,955	254,679
Less accumulated depreciation	(225,447)	(234,211)
Property and equipment, net	16,508	20,468
Right-of-use assets	3,208	4,010
Intangibles, net	377	369
Total assets	57,519	68,673
Current liabilities:
Accounts payable	3,883	4,140
Accrued liabilities:
Payroll costs and other taxes	3,415	2,001
Other	709	1,280
Deferred revenue	11,829	7,380
Current maturities of notes payable and finance leases	1,380	275
Current maturities of operating lease liabilities	1,202	1,118
Total current liabilities	22,418	16,194
Long-term liabilities:
Notes payable and finance leases, net of current maturities	1,289	207
Operating lease liabilities, net of current maturities	2,363	3,331
Deferred tax liabilities, net	15	137
Total long-term liabilities	3,667	3,675
Commitments and contingencies
Stockholders' equity:
Preferred stock-par value $1.00 per share; 4,000,000 shares authorized, none outstanding
Common stock-par value $0.01 per share; 35,000,000 shares authorized, 30,812,329 and 23,812,329 shares issued, and 30,812,329 and 23,812,329 shares outstanding at December 31, 2023 and December 31, 2022, respectively	308	238
Additional paid-in capital	156,678	155,413
Accumulated deficit	(123,640)	(112,469)
Equity of Breckenridge prior to acquisition		7,695
Accumulated other comprehensive loss, net	(1,912)	(2,073)
Total stockholders' equity	31,434	48,804
Total liabilities and stockholders' equity	$ 57,519	$ 68,673