Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Net loss	$ (24,228)	$ (12,264)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	12,271	16,455
Amortization of deferred loan costs and debt discount	1,860	1,668
Provision for doubtful accounts	637	2,422
Foreign currency (gain) loss	(87)	412
Deferred income taxes	(771)	(7,225)
Loss on asset disposal	140	44
Gain on convertible debt embedded derivative	0	(4,547)
Non-cash compensation cost	2,434	2,420
Other, net	(567)	(1,025)
(Increase) decrease:
Receivables	24,060	11,674
Inventory	(850)	(1,904)
Prepaid expenses and other current assets	(5,073)	(4,381)
Increase (decrease):
Accounts payable	4,493	(6,922)
Other accrued liabilities	(7,039)	506
Income taxes	348	4,818
Net cash provided by operating activities	7,628	2,151
Cash flows from investing activities:
Capital expenditures	(6,610)	(5,487)
Proceeds from disposal of assets	47	18
Other	47	(436)
Net cash used in investing activities	(6,516)	(5,905)
Cash flows from financing activities:
Net payments under revolving credit agreement	(3,550)	(2,630)
Contingent consideration payments	(428)	(668)
Debt issuance costs on Credit Facility	0	(855)
Payments related to withholding tax for share-based payment arrangements	(342)	(225)
Other	(72)	0
Net cash used in financing activities	(4,392)	(4,378)
Effect of exchange rate changes on cash	76	(237)
Net decrease in cash or cash equivalents	(3,204)	(8,369)
Cash and cash equivalents at beginning of period	18,288	26,552
Cash and cash equivalents at end of period	$ 15,084	$ 18,183