Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 1,229,000	$ 327,000
Adjustments to reconcile net income to net cash provided from (used in) operating activities:
Depreciation and amortization	349,000	614,000
Provision for bad debts - accounts receivable	27,000	19,000
Share-based compensation expense	590,000	675,000
Deferred income tax benefit	(503,000)	(303,000)
Gain on sales of property, plant and equipment		(1,000)
Changes in assets and liabilities:
Accounts receivable - trade	(690,000)	(113,000)
Accounts receivable - other	(317,000)	8,000
Inventories	(94,000)	810,000
Prepaid expenses and other current assets	129,000	373,000
Other assets	19,000	(35,000)
Accounts payable	(383,000)	(426,000)
Other current liabilities	(379,000)	(1,729,000)
Pension liability	367,000	331,000
Other long-term liabilities	(36,000)	15,000
Net cash flows provided from operating activities	308,000	565,000
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(554,000)	(423,000)
Disposals of property, plant and equipment	2,000	1,000
Net cash used in investing activities	(552,000)	(422,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long-term debt	8,720,000	14,120,000
Repayment of long-term debt	(8,600,000)	(13,600,000)
Payment of cash dividends		(812,000)
Proceeds received on exercise of stock options	63,000	315,000
Common stock reacquired and retired		(41,000)
Net cash provided from (used in) financing activities	183,000	(18,000)
Net (decrease) increase in cash and cash equivalents	(61,000)	125,000
Cash and cash equivalents balance, beginning of year	3,554,000	2,804,000
Cash and cash equivalents balance, end of period	$ 3,493,000	$ 2,929,000