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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 6,980 $ 10,772
Restricted cash   5,000
Short-term investments   265
Accounts receivable, net 2,788 12,735
Prepaid expenses and other current assets 3,411 8,654
Total current assets 13,179 37,426
Property and equipment, net 14,284 16,508
Right-of-use assets 2,348 3,208
Intangibles, net 370 377
Total assets 30,181 57,519
Current liabilities:    
Accounts payable 3,424 3,883
Accrued liabilities:    
Payroll costs and other taxes 1,954 3,415
Other 992 709
Deferred revenue 691 11,829
Current maturities of notes payable and finance leases 704 1,380
Current maturities of operating lease liabilities 1,005 1,202
Total current liabilities 8,770 22,418
Long-term liabilities:    
Notes payable and finance leases, net of current maturities 1,531 1,289
Operating lease liabilities, net of current maturities 1,621 2,363
Deferred tax liabilities, net 15 15
Total long-term liabilities 3,167 3,667
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, 30,906,777 and 30,812,329 shares issued and outstanding at September 30, 2024 and December 31, 2023, respectively 309 308
Additional paid-in capital 156,905 156,678
Accumulated deficit (136,817) (123,640)
Accumulated other comprehensive loss, net (2,153) (1,912)
Total stockholders' equity 18,244 31,434
Total liabilities and stockholders' equity $ 30,181 $ 57,519