CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net loss		$ (24,711)	$ (32,462)	[1]
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	[1]	9,546	10,031
Write-off of deferred loan costs	[1]	0	2,748
Amortization of debt issuance costs and debt discounts	[1]	8,486	4,936
Paid-in-kind interest	[1]	3,485	6,462
Allowance for credit (gains) losses	[1]	(201)	67
Foreign currency gains	[1]	(177)	(185)
Deferred income taxes	[1]	(37)	(799)
Gain on asset disposal	[1]	(260)	(2,306)
Non-cash compensation costs (credits)	[1]	382	(624)
Other, net	[1]	(947)	(1,216)
Changes in operating assets and liabilities:
Accounts receivable	[1]	9,350	(18,546)
Inventory	[1]	(1,473)	(1,284)
Prepaid expenses and other current assets	[1]	(1,282)	(5,902)
Accounts payable	[1]	(66)	(4,722)
Other accrued liabilities	[1]	(20,294)	(5,885)
Income taxes	[1]	436	(319)
Net cash used in operating activities	[1]	(17,763)	(50,006)
Cash flows from investing activities:
Capital expenditures	[1]	(2,692)	(7,068)
Proceeds from disposal of assets	[1]	332	3,026
Net cash used in investing activities	[1]	(2,360)	(4,042)
Cash flows from financing activities:
Borrowings under 2020 ABL Facility, gross	[1]	0	10,300
Payments under 2020 ABL Facility, gross	[1]	0	(72,300)
Borrowings under 2022 ABL Credit Facility, gross	[1]	6,622	104,924
Payments under 2022 ABL Credit Facility, gross	[1]	(12,623)	(235)
Payments for debt issuance costs	[1]	0	(10,345)
Issuance of common stock, net of issuance costs	[1]	0	9,767
Other	[1]	(235)	(145)
Net cash (used in) provided by financing activities	[1]	(6,236)	41,966
Effect of exchange rate changes on cash	[1]	153	465
Net decrease in cash and cash equivalents	[1]	(26,206)	(11,617)
Cash and cash equivalents at beginning of period	[1]	58,075	65,315
Cash and cash equivalents at end of period	[1]	$ 31,869	$ 53,698

[1] Condensed consolidated statements of cash flows for the three months ended March 31, 2022 includes discontinued operations.