Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities
Net loss	$ (12,595)	$ (4,856)
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation and amortization	4,721	5,503
Amortization of ROU operating leases	1,211	1,176
Amortization of ROU finance leases	725	760
Amortization of deferred debt issuance costs	163	32
Deferred income taxes	54	19
Stock-based compensation	524	370
Gain on disposal of assets, net	(695)	(809)
Allowance for credit losses	(35)
Change in operating assets and liabilities:
Accounts receivable	5,011	(13,907)
Income tax receivable	3
Inventory	76	(189)
Prepaid expenses and other	(1,457)	2,504
Contract assets	13,883	4,055
Accounts payable	(14,757)	12,689
Accrued liabilities	1,802	(3,075)
Operating lease liabilities	(1,208)	(1,183)
Income tax payable	688	1,376
Contract liabilities	(1,147)	5,595
Net cash (used in) provided by operating activities	(3,033)	10,060
Cash flows from investing activities:
Proceeds from sale of property and equipment	576	713
Purchase of property and equipment	(1,876)	(3,523)
Net cash used in investing activities	(1,300)	(2,810)
Cash flows from financing activities:
Borrowings from Credit Facility	5,000
Payments made on borrowings of Credit Facility	(69)	(11,671)
Loan costs from Credit Facility	(586)	(494)
Payments of finance lease liabilities	(779)	(637)
Payments related to tax withholding for stock-based compensation	(172)	(15)
Net cash provided by (used in) financing activities	3,394	(12,817)
Net change in cash, cash equivalents and restricted cash	(939)	(5,567)
Cash, cash equivalents and restricted cash at beginning of period	3,784	12,293
Cash, cash equivalents and restricted cash at end of period	2,845	6,726
Supplemental disclosures of cash flow information, cash paid during the period for:
Interest	1,576	154
Taxes, net of refunds	$ (104)	$ (71)