CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net loss	$ (31,935)	$ (28,324)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	36,692	35,486
Provision for bad debts	215	599
Stock-based compensation	2,256	1,965
Pension expense	0	71
Impairment of intangible assets	992	0
Amortization of deferred financing costs	2,032	1,842
Interest income on interest rate swap	(1,070)	4,041
Accretion of contingent consideration	2,669	2,894
Change in fair value of contingent consideration	128	543
Deferred income taxes	(14,499)	(97)
Loss on sales of property	2	0
Other	0	81
Changes in operating assets and liabilities:
Accounts receivable	(1,499)	(30,124)
Inventories	(4,424)	260
Prepaid expenses and other current assets	(1,429)	(4,137)
Accounts payable	3,855	(7,208)
Accrued expenses and other liabilities	(2,958)	7,115
Income taxes payable	(95)	(1,467)
Other assets and liabilities	384	245
Net cash used in operating activities	(8,684)	(16,215)
Cash flows from investing activities:
Cash paid for property and equipment	(3,271)	(3,179)
Asset acquisition	0	(1,587)
Other investments	(250)	0
Net cash used in investing activities	(3,521)	(4,766)
Cash flows from financing activities:
Payment of Dow liabilities settlement	0	(10,000)
Repayment of long-term debt	(5,056)	(3,517)
Net cash used in financing activities	(5,056)	(13,517)
Effect of exchange rate changes on cash and cash equivalents and restricted cash	1,682	(4,013)
Net decrease in cash and cash equivalents and restricted cash	(15,579)	(38,511)
Cash and cash equivalents and restricted cash, beginning of period	34,852	64,533
Cash and cash equivalents and restricted cash, end of period	19,273	26,022
Cash paid for:
Cash paid for interest	18,007	23,280
Cash paid for income taxes	2,469	5,304
Supplemental schedule of non-cash investing and financing activities:
Accrued purchases of property and equipment	62	316
Right of use assets obtained in exchange for new lease liabilities	376	0
Reconciliation of cash and cash equivalents and restricted cash:
Total cash and cash equivalents and restricted cash	$ 34,852	$ 64,533