BUSINESS SEGMENT INFORMATION (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
BUSINESS SEGMENT INFORMATION [Abstract]
Number of industry in which entity operates	1	1	1	1
Number of reportable operating segments	3	3	3	3
Total segment sales:
Total segment sales	$ 90,591,000	$ 92,920,000	$ 256,430,000	$ 276,575,000
Reconciling item:
Intersegment sales	(14,532,000)	(17,017,000)	(41,588,000)	(50,096,000)
Net Sales	76,059,000	75,903,000	214,842,000	226,479,000
Income (loss) from operations:
Income from operations	1,025,000	1,938,000	4,822,000	6,312,000
Combined revenue from acquired companies	900,000		1,000,000
Combined net earnings from acquired companies	100,000		100,000
Restructuring charges	1,778,000	0	2,160,000	0
Severance Costs	600,000		600,000
Litigation charges	0	247,000	26,000	3,471,000
North America [Member]
Total segment sales:
Total segment sales	34,370,000	37,842,000	106,349,000	113,195,000
Income (loss) from operations:
Income from operations	(189,000)	1,785,000	4,074,000	6,061,000
Asia [Member]
Total segment sales:
Total segment sales	47,238,000	46,501,000	125,881,000	136,638,000
Income (loss) from operations:
Income from operations	1,046,000	(143,000)	7,000	(1,272,000)
Europe [Member]
Total segment sales:
Total segment sales	8,983,000	8,577,000	24,200,000	26,742,000
Income (loss) from operations:
Income from operations	$ 168,000	$ 296,000	$ 741,000	$ 1,523,000