CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net loss	$ (31,278)	$ (9,422)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	22,953	22,046
Provision for bad debts	182	789
Stock-based compensation	1,900	806
Pension expense	64	153
Amortization of deferred financing costs	1,214	1,166
Accretion of contingent consideration	2,043	5,515
Increase (decrease) in fair value of contingent consideration	236	(996)
Deferred income taxes	(506)	(19,726)
Loss on sales of property	0	80
Provision for inventory obsolescence	0	89
Other	114	43
Changes in operating assets and liabilities:
Accounts receivable	27,340	37,232
Inventories	(5,083)	(2,758)
Prepaid expenses and other current assets	(8,152)	198
Accounts payable	(7,300)	(19,864)
Accrued expenses and other liabilities	(8,434)	(1,987)
Income taxes payable	(1,216)	2,581
Other assets and liabilities	2,098	205
Net cash (used in) provided by operating activities	(3,825)	16,150
Cash flows from investing activities:
Cash paid for property and equipment	(2,327)	(2,835)
Proceeds from sale of property	0	9
Asset Acquisition	(1,587)	0
Other investments	0	(1,050)
Net cash used in investing activities	(3,914)	(3,876)
Cash flows from financing activities:
Payment of Dow liabilities settlement	(10,000)	(10,000)
Repayment of long term debt	(3,330)	(2,125)
Net cash used in financing activities	(13,330)	(12,125)
Effect of exchange rate changes on cash and cash equivalents	(1,688)	1,131
Net (decrease) increase in cash and cash equivalents	(22,757)	1,280
Cash and cash equivalents, beginning of period	64,533	77,312
Cash and cash equivalents, end of period	41,776	78,592
Supplemental disclosures of cash flow information:
Cash paid for interest	15,777	12,309
Cash paid for income taxes	4,245	1,291
Supplemental schedule of non-cash investing and financing activities:
Accrued purchases of property and equipment	0	254
Settlement of Dow liabilities not resulting from cash payment, net of deferred income taxes	$ 0	$ 55,089