Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 2,043,000	$ 1,218,000
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	953,000	938,000
Provision for bad debts - accounts receivable	59,000	53,000
Share-based compensation expense	824,000	827,000
Deferred income tax provision	62,000	276,000
Loss (gain) on sales of property, plant and equipment	12,000	(49,000)
Accretion of acquisition-related contingent liability	33,000	32,000
Changes in assets and liabilities:
Accounts receivable - trade	804,000	(785,000)
Accounts receivable - other	(435,000)	(678,000)
Inventories	(1,639,000)	(5,206,000)
Prepaid expenses and other current assets	(2,230,000)	(1,460,000)
Other assets	(2,000)	7,000
Accounts payable	1,142,000	1,476,000
Other current liabilities	(2,887,000)	(3,929,000)
Long-term pension liability	127,000	3,000
Other long-term liabilities	20,000	20,000
Net cash used in operating activities	(1,114,000)	(7,257,000)
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(906,000)	(809,000)
Proceeds from disposals of property, plant and equipment		75,000
Net cash used in investing activities	(906,000)	(734,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long-term debt	13,220,000	18,450,000
Repayment of long-term debt	(10,255,000)	(10,770,000)
Payment of cash dividends	(1,000,000)	(833,000)
Proceeds received on exercise of stock options	356,000	236,000
Excess tax benefit from exercise of stock options	132,000	6,000
Net cash provided by financing activities	2,453,000	7,089,000
Net increase (decrease) in cash and cash equivalents	433,000	(902,000)
Cash and cash equivalents balance, beginning of year	4,586,000	5,316,000
Cash and cash equivalents balance, end of period	$ 5,019,000	$ 4,414,000