Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Operating activities
Net loss	$ (1,408)us-gaap_NetIncomeLoss	$ (453)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	2,338	2,531
Debt issuance costs amortization	10us-gaap_AmortizationOfFinancingCosts	14us-gaap_AmortizationOfFinancingCosts
Deferred income taxes	(64)us-gaap_DeferredIncomeTaxExpenseBenefit	205us-gaap_DeferredIncomeTaxExpenseBenefit
Loss (gain) on sale of assets	8	(42)
Gain on sale of business	0	(218)
Unrealized foreign currency transaction loss (gain)	1,309	(325)
Changes in operating assets and liabilities:
Accounts receivable	6,640	5,468
Inventories	(4,821)us-gaap_IncreaseDecreaseInInventories	1,705us-gaap_IncreaseDecreaseInInventories
Other assets	(2,605)	(1,389)
Accounts payable	2,083	(1,540)
Customer deposits	3,378	(1,683)
Accrued expenses	(3,021)	(5,453)
Accrued pension and postretirement liabilities	(34)	(22)
Net cash provided by (used in) operating activities	3,813	(1,202)
Investing activities
Capital expenditures	(699)	(325)
Proceeds from sales of assets	0	48
Net cash used in investing activities	(699)	(277)
Financing activities
Proceeds from short-term notes payable to bank	10,212us-gaap_ProceedsFromNotesPayable	4,455us-gaap_ProceedsFromNotesPayable
Repayments of short-term notes payable to bank	(10,088)us-gaap_RepaymentsOfNotesPayable	(4,455)us-gaap_RepaymentsOfNotesPayable
Repayments of long-term debt	(1,458)us-gaap_RepaymentsOfLongTermDebt	(5,792)us-gaap_RepaymentsOfLongTermDebt
Dividends paid	(255)us-gaap_PaymentsOfDividendsCommonStock	(249)us-gaap_PaymentsOfDividendsCommonStock
Net proceeds from sales of common stock	0	5,202
Net cash used in financing activities	(1,589)	(839)
Effect of exchange rate changes on cash	482	94
Net increase (decrease) in cash	2,007	(2,224)
Cash and cash equivalents at beginning of period	16,293	34,722
Cash and cash equivalents at end of period	$ 18,300	$ 32,498

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