RESTRUCTURING ACTIVITIES (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restructuring Cost and Reserve [Line Items]
Loss on disposal of land and building		$ 1,000,000
Impairment on equipment		400,000
Facility lease commitment	1,900,000	1,900,000
Activity and liability balances related to restructuring charges [Roll Forward]
Liability at December 31, 2011		0
New Charges	3,100,000	5,245,000	314,000	0
Cash Payment and Other Settlements		(5,123,000)
Liability at December 31, 2012	122,000	122,000	0
Accrued restructuring cost	122,000	122,000	0
Severance costs			300,000
Termination Benefits [Member]
Activity and liability balances related to restructuring charges [Roll Forward]
Liability at December 31, 2011		0
New Charges		3,227,000
Cash Payment and Other Settlements		(3,105,000)
Liability at December 31, 2012	122,000	122,000
Transportation of Equipment [Member]
Activity and liability balances related to restructuring charges [Roll Forward]
Liability at December 31, 2011		0
New Charges		528,000
Cash Payment and Other Settlements		(528,000)
Liability at December 31, 2012	0	0
Setup Costs [Member]
Activity and liability balances related to restructuring charges [Roll Forward]
Liability at December 31, 2011		0
New Charges		71,000
Cash Payment and Other Settlements		(71,000)
Liability at December 31, 2012	0	0
Impairment/Loss on Disposal of Assets Related to Restructuring [Member]
Activity and liability balances related to restructuring charges [Roll Forward]
Liability at December 31, 2011		0
New Charges		1,389,000
Cash Payment and Other Settlements		(1,389,000)
Liability at December 31, 2012	0	0
Other Restructuring Costs [Member]
Activity and liability balances related to restructuring charges [Roll Forward]
Liability at December 31, 2011		0
New Charges		30,000
Cash Payment and Other Settlements		(30,000)
Liability at December 31, 2012	$ 0	$ 0