Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 2,546,000	$ 3,411,000
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	1,740,000	2,272,000
Provision for bad debts - accounts receivable	61,000	82,000
Share-based compensation expense	893,000	1,005,000
Deferred income tax provision (benefit)	42,000	(519,000)
Gain on sales of property, plant and equipment	(1,000)	(24,000)
Changes in assets and liabilities:
Accounts receivable - trade	(1,651,000)	(2,860,000)
Accounts receivable - other	1,144,000	(1,862,000)
Inventories	362,000	(8,078,000)
Prepaid expenses and other current assets	538,000	1,121,000
Other assets	(150,000)	52,000
Accounts payable	263,000	2,067,000
Other current liabilities	(1,334,000)	648,000
Pension liability	579,000	466,000
Other long-term liabilities	(65,000)	(42,000)
Net cash provided by (used in) operating activities	4,967,000	(2,261,000)
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(830,000)	(822,000)
Disposals of property, plant and equipment	1,000	33,000
Acquisition of intangible assets		(2,062,000)
Net cash used in investing activities	(829,000)	(2,851,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long-term debt	27,840,000	13,400,000
Repayment of long-term debt	(28,480,000)	(12,600,000)
Payment of cash dividends	(2,451,000)	(2,427,000)
Proceeds received on exercise of stock options	617,000	713,000
Common stock reacquired and retired	(437,000)	(776,000)
Net cash used in financing activities	(2,911,000)	(1,690,000)
Net increase (decrease) in cash and cash equivalents	1,227,000	(6,802,000)
Cash and cash equivalents balance, beginning of year	2,804,000	9,107,000
Cash and cash equivalents balance, end of period	$ 4,031,000	$ 2,305,000