Condensed Consolidated Statement of Cash Flows - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Cash flows from operating activities
Net loss	$ (56,956)	$ (39,200)
Adjustments to reconcile net loss
Depreciation and amortization	18,212	19,599
Original issue discount and debt issuance cost amortization	3,531	3,840
Debt modification and extinguishment costs (gain), net	196
Provision for doubtful accounts	61	50
Deferred income tax provision	635	(297)
Share-based compensation expense	308	387
Unrealized foreign currency losses	(180)	(159)
Loss (Gain) on sale of assets	(41)	29
Fair value adjustment for interest rate swap		(125)
Change in operating assets and liabilities, net of effect from acquisitions
Accounts receivable	(6,146)	(11,248)
Prepaid expenses and other assets	(8,858)	(5,895)
Accounts payable and accrued liabilities	5,345	(30,787)
Related party payables	(12)	37
Additions to outsource contract costs	(140)	(156)
Net cash used in operating activities	(44,045)	(63,925)
Cash flows from investing activities
Purchase of property, plant and equipment	(7,728)	(1,609)
Additions to patents	(25)
Additions to internally developed software	(829)	(672)
Proceeds from sale of assets	175
Net cash used in investing activities	(8,407)	(2,281)
Cash flows from financing activities
Cash paid for equity issuance costs from at the market offerings	(4,664)
Borrowings under factoring arrangement and Securitization Facility	35,837	32,432
Principal repayment on borrowings under factoring arrangement and Securitization Facility	(34,144)	(31,533)
Cash paid for withholding taxes on vested RSUs	(195)
Lease terminations	(15)	(16)
Cash paid for debt issuance costs	(5,615)
Principal payments on finance lease obligations	(1,516)	(3,029)
Borrowings from senior secured revolving facility		3,000
Repayments on senior secured revolving facility	(49,477)
Proceeds from issuance of 2026 Notes	55,364
Borrowings from other loans	1,865	1,959
Repayment of BRCC term loan	(22,675)
Principal repayments on senior secured term loans and other loans	(7,544)	(8,142)
Net cash provided by financing activities	86,417	19,736
Effect of exchange rates on cash	(50)	(101)
Net increase (decrease) in cash and cash equivalents	33,915	(46,571)
Cash, restricted cash, and cash equivalents
Beginning of period	48,060	70,309	$ 70,309
End of period	81,975	23,738	$ 48,060
Supplemental cash flow data:
Income tax payments, net of refunds received	1,486	1,510
Interest paid	9,941	62,510
Noncash investing and financing activities:
Assets acquired through right-of-use arrangements	50	220
Accrued capital expenditures	1,483	1,617
Private Placement
Cash flows from financing activities
Proceeds from issuance of stock		$ 25,065
At the Market Offering
Cash flows from financing activities
Proceeds from issuance of stock	$ 119,196