CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
CASH FLOWS PROVIDED BY OPERATING ACTIVITIES:
Net income (loss)	$ 15,202	$ (16,892)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation (including capital lease amortization)	4,799	5,030
Amortization of purchased intangible assets	2,365	3,034
Amortization of deferred debt issuance costs	268	359
Stock-based compensation	2,662	2,125
Deferred income tax	276	(408)
Loss (gain) on disposal of property, plant and equipment	30	(46)
Restructuring expenses	553	458
Goodwill impairment charge	0	17,584
Transition tax liability	(679)	0
Change in:
Accounts receivable, net	(16,885)	(10,747)
Inventories	(21,618)	(1,221)
Prepaid expenses and other	(576)	20
Accounts payable	4,657	1,051
Contract liabilities	(1,559)	97
Accrued anti-dumping duties and penalties	4,391	(2,965)
Accrued expenses and other liabilities	12,659	3,039
Net cash provided by operating activities	6,545	518
CASH FLOWS USED IN INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(26,574)	(3,299)
Proceeds on sale of property, plant and equipment	0	2
Net cash used in investing activities	(26,574)	(3,297)
CASH FLOWS PROVIDED BY FINANCING ACTIVITIES:
Borrowings on bank lines of credit, net	23,512	6,000
Payment of dividends	(891)	(880)
Payment of debt issuance costs	(310)	(133)
Net proceeds from issuance of common stock to employees and directors	232	154
Treasury stock purchases	(453)	(336)
Net cash provided by financing activities	22,090	4,805
EFFECTS OF EXCHANGE RATES ON CASH	54	416
NET INCREASE IN CASH AND CASH EQUIVALENTS	2,115	2,442
CASH AND CASH EQUIVALENTS, beginning of the period	8,983	6,419
CASH AND CASH EQUIVALENTS, end of the period	$ 11,098	$ 8,861