CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (3,814)	$ (12,585)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	11,577	12,061
Provision for bad debts	0	(392)
Stock-based compensation	643	588
Amortization of deferred financing costs	577	630
Interest income on interest rate swap	(357)	(356)
Accretion of contingent consideration	0	884
Change in fair value of contingent consideration	0	190
Deferred income taxes	(5,231)	(1,781)
Loss on sales of property	15	49
Changes in operating assets and liabilities:
Accounts receivable	5,773	2,159
Inventories	(3,503)	823
Prepaid expenses and other current assets	(2,414)	986
Accounts payable	421	654
Accrued expenses and other liabilities	(1,995)	6,291
Income taxes payable	125	650
Other assets and liabilities	(763)	(1,873)
Net cash provided in operating activities	1,054	8,978
Cash flows from investing activities:
Cash paid for property and equipment	(438)	(2,586)
Other investments	0	(250)
Net cash used in investing activities	(438)	(2,836)
Cash flows from financing activities:
Proceeds from long-term debt	1,070	0
Repayment of long-term debt	(1,305)	(722)
Net cash used in financing activities	(235)	(722)
Effect of exchange rate changes on cash and cash equivalents and restricted cash	(1,369)	(277)
Net decrease in cash and cash equivalents and restricted cash	(988)	5,143
Cash and cash equivalents and restricted cash, beginning of period	29,817	34,852
Cash and cash equivalents and restricted cash, end of period	28,829	39,995
Cash paid for:
Cash paid for interest	6,600	27
Cash paid for income taxes	1,441	599
Supplemental schedule of non-cash investing and financing activities:
Accrued purchases of property and equipment	32	102
Reconciliation of cash and cash equivalents and restricted cash:
Total cash and cash equivalents and restricted cash	$ 28,829	$ 39,995