Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating activities
Net (loss) income	$ (10,061)	$ 21,217
Adjustments to reconcile net (loss) income to net cash flows from operating activities:
Depreciation, amortization and accretion	16,295	9,840
Impairment of long-lived assets	7,275	0
Amortization of debt related costs	199	809
Changes in fair value of contingent assets and liabilities	800	0
Loss on extinguishment of debt	0	3,196
Provision for bad debt	215	107
Provision for excess and obsolete inventory	1,870	1,699
Stock-based compensation	10,452	9,501
Deferred taxes	(781)	3,790
Long-term income tax receivable	(1,664)	(842)
Long-term income tax payable and other long-term liabilities	2,114	1,113
Other	819	229
Increases (decreases) in cash from operating assets and liabilities:
Accounts receivable	(703)	3,078
Inventory	(9,593)	728
Other current assets	1,563	(196)
Accounts payable	3,762	1,454
Accrued expenses and other liabilities	(6,735)	2,240
Net cash provided by operating activities	15,827	57,963
Investing activities
Capital expenditures	(8,689)	(17,320)
Lending on bridge loan	(10,000)	0
Cash acquired in acquisition of business	17,562	0
Net cash used in investing activities	(1,127)	(17,320)
Financing activities
Proceeds from issuance of long-term debt	0	199,461
Payments on long-term debt and other borrowings	(11,166)	(272,821)
Equity issuance costs	(3,777)	0
Deferred financing costs	(1,223)	(2,034)
Proceeds from stock option exercises	77	1,173
Proceeds from issuance of common stock	683	573
Payments for minimum statutory tax withholding related to net share settlement of equity awards	(2,082)	(2,410)
Net cash used in financing activities	(17,488)	(76,058)
Effect of foreign exchange rates on cash, cash equivalents and restricted cash	4	76
Net decrease in cash, cash equivalents and restricted cash	(2,784)	(35,339)
Cash, cash equivalents and restricted cash, beginning of period	92,919	113,401
Cash, cash equivalents and restricted cash, end of period	90,135	78,062
Reconciliation to amounts within the condensed consolidated balance sheets
Cash, cash equivalents and restricted cash at end of period	$ 90,135	$ 78,062