Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net loss	$ (12,850)	$ (7,910)
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation and amortization	9,314	10,815
Amortization of ROU operating leases	2,464	2,459
Amortization of ROU finance leases	1,475	1,546
Write-off of debt issuance costs upon debt modification	119
Amortization of deferred debt issuance costs	537	161
Deferred income taxes	5	41
Stock-based compensation	1,469	1,164
Gain on disposal of assets, net	(7,230)	(1,173)
Allowance for credit losses	26	56
Change in operating assets and liabilities:
Accounts receivable	(10,068)	(23,158)
Income tax receivable	(196)	(73)
Inventory	(309)	(664)
Prepaid expenses and other	2,794	5,050
Contract assets	8,954	1,511
Accounts payable	(12,495)	25,363
Accrued liabilities	3,188	(2,266)
Operating lease liabilities	(2,495)	(2,317)
Income tax payable	176	192
Contract liabilities	3,146	879
Net cash (used in) provided by operating activities	(11,976)	11,676
Cash flows from investing activities:
Proceeds from sale of property and equipment	11,332	1,043
Purchase of property and equipment	(4,291)	(8,001)
Net cash provided by (used in) investing activities	7,041	(6,958)
Cash flows from financing activities:
Borrowings on credit	57,822	5,000
Payments made on borrowings on credit	(54,960)	(11,742)
Proceeds from failed sale-leaseback arrangement	14,140
Proceeds from sale-leaseback financing	2,359
Loan costs from borrowings on credit	(5,978)	(611)
Payments of finance lease liabilities	(1,618)	(1,472)
Payments related to tax withholding for stock-based compensation	(189)	(97)
Net cash provided by (used in) financing activities	11,576	(8,922)
Net change in cash, cash equivalents and restricted cash	6,641	(4,204)
Cash, cash equivalents and restricted cash at beginning of period	3,784	12,293
Cash, cash equivalents and restricted cash at end of period	10,425	8,089
Cash and cash equivalents	8,883	8,089
Restricted cash	1,542
Supplemental disclosures of cash flow information, cash paid during the period for:
Interest	7,713	1,071
Taxes, net of refunds	$ 615	$ 481