CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
OPERATING ACTIVITIES:
Net income	$ 7,777,000	$ 8,198,000	$ 2,556,000
Adjustment for losses from discontinued operations	1,580,000	4,637,000	7,226,000
Income from continuing operations	9,357,000	12,835,000	9,782,000
Adjustments to reconcile income from continuing operations to net cash provided by operating activities:
Depreciation	1,791,000	1,842,000	1,894,000
Amortization	920,000	1,028,000	1,132,000
Amortization of deferred financing costs	138,000	218,000	252,000
Stock-based compensation	842,000	564,000	174,000
Tax benefit from exercise of stock options	(33,000)	(291,000)	(19,000)
(Gain) on foreign exchange contracts	(243,000)
Non-cash compensation expense			156,000
Non-cash fire related (gain) loss		(277,000)	109,000
Provisions for losses on (recoveries of) accounts receivable	20,000	18,000	(66,000)
Deferred compensation and supplemental retirement benefits	399,000	423,000	428,000
Deferred compensation and supplemental retirement benefit payments	(539,000)	(537,000)	(536,000)
Deferred income taxes	181,000	(1,587,000)	(2,047,000)
(Gain) on sale of investment	(59,000)
Loss on sales of equipment	24,000	22,000	41,000
Changes in operating assets and liabilities, excluding effects of business combinations:
Accounts receivable	831,000	(388,000)	(8,299,000)
Inventories	1,195,000	(374,000)	(3,250,000)
Other assets	71,000	(599,000)	(1,167,000)
Accounts payable	1,913,000	1,981,000	4,681,000
Other accrued liabilities	(767,000)	3,360,000	2,127,000
Accrued income taxes	446,000	(1,215,000)	3,922,000
Net cash provided by operating activities from continuing operations	16,487,000	17,023,000	9,314,000
Net cash (used in) operating activities from discontinued operations	(959,000)	(1,347,000)	(1,496,000)
NET CASH PROVIDED BY OPERATING ACTIVITIES	15,528,000	15,676,000	7,818,000
INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(1,804,000)	(2,690,000)	(1,416,000)
Acquisition of a business, net of cash acquired	(756,000)
Return of deposit on land rights		137,000
Purchases of other assets	(215,000)	(71,000)	(232,000)
Proceeds from sale of investment	81,000
NET CASH (USED IN) INVESTING ACTIVITIES	(2,694,000)	(2,624,000)	(1,648,000)
FINANCING ACTIVITIES:
Proceeds from Senior Revolving Credit Facility	2,850,000
Payments of Senior Revolving Credit Facility	(2,850,000)
Proceeds from Revolving Credit Facility	4,100,000	11,000,000	19,800,000
Payments of Revolving Credit Facility	(4,100,000)	(20,800,000)	(10,000,000)
Payments of deferred financing costs	(340,000)	(67,000)	(57,000)
Repurchase and retirement of common stock	(4,264,000)		(19,451,000)
Treasury stock purchases	(2,468,000)		(6,605,000)
Treasury stock sales			648,000
Proceeds from stock options exercised	80,000	817,000	754,000
Tax benefit from exercise of stock options	33,000	291,000	19,000
Dividends paid	(8,322,000)
NET CASH (USED IN) FINANCING ACTIVITIES	(15,281,000)	(8,759,000)	(14,892,000)
Effect of exchange rate changes on cash	11,000	(35,000)	129,000
NET CHANGE IN CASH AND CASH EQUIVALENTS	(2,436,000)	4,258,000	(8,593,000)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	5,632,000	1,374,000	9,967,000
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 3,196,000	$ 5,632,000	$ 1,374,000