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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Cash flows from operating activities:    
Net loss $ (10,069) $ (14,245)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation and amortization 5,085 6,834
Operating lease cost 499 528
Non-cash compensation 368 198
Gain on disposal of assets (142) (82)
Remeasurement and other (18) 121
Change in operating assets and liabilities:    
Decrease in accounts receivable 6,696 7,038
Decrease in prepaid expenses and other assets 68 1,927
Decrease in accounts payable (1,508) (1,063)
Decrease in accrued liabilities (491) (911)
Decrease in operating lease liabilities (496) (548)
Increase (decrease) in deferred revenue 128 (1,095)
Net cash provided by (used in) operating activities 120 (1,298)
Cash flows from investing activities:    
Capital expenditures, net of non-cash capital expenditures summarized below (if applicable) (95)  
Proceeds from disposal of assets 142 335
Net cash provided by investing activities 47 335
Cash flows from financing activities:    
Proceeds from notes payable   550
Principal payments on notes payable (713) (237)
Principal payments on finance leases (18) (27)
Tax withholdings related to stock-based compensation awards (79) (75)
Sale of treasury stock 113  
Net cash (used in) provided by financing activities (697) 211
Effect of exchange rate changes on cash and cash equivalents and restricted cash (192) 131
Net decrease in cash and cash equivalents and restricted cash (722) (621)
Cash and cash equivalents and restricted cash at beginning of period 30,376 45,955
Cash and cash equivalents and restricted cash at end of period 29,654 45,334
Supplemental cash flow information:    
Cash paid for interest 20 11
Cash paid for income taxes   81
Cash received for income taxes 7  
Non-cash operating, investing and financing activities:    
Increase in right-of-use assets and operating lease liabilities 527 $ 1
Financed insurance premiums $ 944