ACQUISITION (Details) (USD $)	0 Months Ended	3 Months Ended		6 Months Ended
	May 09, 2013	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Acquisition of Fordardt operations
Sales		$ 80,814,000	$ 86,320,000	$ 148,033,000	$ 160,970,000
Net loss		2,265,000	3,640,000	2,305,000	6,083,000
Forkardt
Acquisition of Fordardt operations
Bank debt used in funding of acquisition	24,300,000
Cash used in funding of acquisition	10,000,000
Sales		6,500,000		6,500,000
Net loss		100,000		100,000
Acquisition related costs		1,000,000		1,600,000
Weighted average life of the intangible assets acquired	17 years 3 months 18 days
Goodwill deductible for tax purposes	300,000
Assets Acquired
Accounts receivable	5,521,000
Inventory	5,357,000
Other current assets	1,180,000
Property, plant and equipment	6,271,000
Other non-current assets	105,000
Trade name, customer list, and other intangible assets	14,614,000
Total assets acquired	33,048,000
Liabilities Assumed
Accounts payable and other current liabilities	3,342,000
Other non-current liabilities	1,211,000
Net assets acquired	28,495,000
Total estimated purchase price	34,504,000
Goodwill	6,009,000
Supplemental Pro Forma Information
Sales		85,018,000	98,108,000	162,934,000	185,053,000
Net income		$ 2,973,000	$ 4,213,000	$ 4,162,000	$ 6,755,000
Diluted earnings per share (in dollars per share)		$ 0.25	$ 0.36	$ 0.35	$ 0.58