Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash Flows from Operating Activities:
Net income	$ 2,563	$ 3,593
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	4,411	4,478
Impairment of equipment held for sale	616	0
Provision for doubtful accounts and bad debt	1,308	825
Noncash amortization of debt financing costs	210	223
Pension plan contribution	(759)	(640)
Shared-based compensation expense	708	665
Loss on disposal of assets	132	108
Deferred income taxes	968	2,094
Noncash (gain) loss on forward currency exchange contracts	(172)	161
Change in other operating items:
Accounts receivable	(5,961)	(19,211)
Inventories	4,549	1,340
Accounts payable	(5,327)	17,197
Other operating activities, net	3,675	5,161
Net cash provided by operating activities	6,921	15,994
Cash Flows from Investing Activities:
Purchases of property, plant and equipment	(1,664)	(2,710)
Proceeds from disposal/sale of property, plant and equipment	0	60
Premium payments for life insurance	0	(39)
Net cash used in investing activities	(1,664)	(2,689)
Cash Flows from Financing Activities:
Effect of Foreign Currency Exchange Rate Changes on Cash	346	(2,209)
Net Increase in Cash	5,603	11,096
Cash:
Beginning of period	92,194	70,091
End of period	97,797	81,187
Supplemental Cash Flow Information:
Cash paid for interest	75	43
Cash paid for income taxes, net	345	661
Unpaid purchases of property and equipment included in accounts payable	$ 621	$ 209