CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (3,020)	$ (413)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation (including capital lease amortization)	1,681	1,514
Amortization of purchased intangible assets	984	999
Amortization of deferred debt issuance costs	299	41
Stock-based compensation	571	586
Deferred income tax provision (benefit)	346	(290)
Gain (loss) on disposal of property, plant and equipment	3	(11)
Change in:
Accounts receivable, net	(312)	3,612
Inventory, net	(1,792)	(325)
Prepaid expenses and other	(1,041)	(3,047)
Accounts payable	626	(927)
Customer advances	(453)	4,878
Accrued anti-dumping duties	(3,003)	35
Accrued expenses and other liabilities	(75)	(2,847)
Net cash provided by (used in) operating activities	(5,186)	3,805
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property, plant and equipment	(1,649)	(435)
Proceeds on sale of property, plant and equipment	2	0
Change in other non-current assets	0	20
Net cash used in investing activities	(1,647)	(415)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings (repayments) on bank lines of credit, net	6,000	(3,998)
Payment on capital lease obligations	0	(2)
Payment of dividends	(290)	(284)
Payment of deferred debt issuance costs	(106)	0
Treasury stock purchases	(222)	0
Net cash provided by (used in) financing activities	5,382	(4,284)
EFFECTS OF EXCHANGE RATES ON CASH	88	198
NET DECREASE IN CASH AND CASH EQUIVALENTS	(1,363)	(696)
CASH AND CASH EQUIVALENTS, beginning of the period	6,419	6,291
CASH AND CASH EQUIVALENTS, end of the period	$ 5,056	$ 5,595