TRANSACTIONS WITH THIRD PARTY (Details) (USD $)	3 Months Ended		9 Months Ended				1 Months Ended		1 Months Ended	3 Months Ended		9 Months Ended							3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Mar. 31, 2012	Dec. 31, 2011	Jul. 31, 2011 Developed Technology Rights [Member]	Sep. 30, 2012 Developed Technology Rights [Member]	Jul. 31, 2011 SemiSouth [Member]	Sep. 30, 2012 SemiSouth [Member]	Sep. 30, 2011 SemiSouth [Member]	Sep. 30, 2012 SemiSouth [Member]	Sep. 30, 2011 SemiSouth [Member]	Mar. 31, 2012 SemiSouth [Member]	Sep. 30, 2012 SemiSouth [Member] Noncontrolling Interest [Member]	Mar. 31, 2012 SemiSouth [Member] Noncontrolling Interest [Member]	Dec. 31, 2011 SemiSouth [Member] Noncontrolling Interest [Member]	Oct. 22, 2010 SemiSouth [Member] Noncontrolling Interest [Member]	Sep. 30, 2012 SemiSouth [Member] Lease Receivables [Member]	Sep. 30, 2012 SemiSouth [Member] Preferred Stock [Member]	Sep. 30, 2012 SemiSouth [Member] Promissary Note net of Imputed Interest [Member]	Sep. 30, 2012 SemiSouth [Member] Contingent Purchase Commitment [Member]	Sep. 30, 2012 SemiSouth [Member] Other Assets [Member]	Sep. 30, 2012 SemiSouth [Member] Developed technology [Member]	Sep. 30, 2012 SemiSouth [Member] Operating expenses, Charge related to SemiSouth [Member] Intellectual Property [Member]	Sep. 30, 2012 SemiSouth [Member] Other income (expense), Charge related to SemiSouth [Member] Promissary Note net of Imputed Interest [Member]	Sep. 30, 2012 SemiSouth [Member] Other income (expense), Charge related to SemiSouth [Member] Estimated Fair Value of Underlying Equipment [Member]
Schedule of Cost-method Investments [Line Items]
Impairment charges	$ 33,937,000	$ 0	$ 33,937,000	$ 0						$ 33,900,000									$ 6,900,000	$ 7,000,000	$ 13,200,000	$ 6,200,000	$ 600,000			$ 13,200,000
Other charges/write-offs related to SemiSouth	25,300,000	0	25,300,000	0																				10,000,000	15,300,000
Cost-method Investment in SemiSouth																	7,000,000	7,000,000
Prepaid royalty to SemiSouth	0		0			10,000,000											10,000,000	10,000,000
Lease line maximum borrowing capacity															8,600,000
Lease line funded amount															8,600,000
Other Assets Held-for-sale																											300,000
Potential minimum purchase price																		36,000,000
Potential Business Acquisition, Maximum Purchase Price																80,000,000
Investees proceeds from other financing activities									15,000,000
Contingent Purchase Commitment							15,000,000
Letter of Credit Issued to Financing Company								15,000,000
Initial Loan to SemiSouth					18,000,000									18,000,000
Purchase option														6,200,000
Interest and Other Income [Abstract]
Interest income on note from SemiSouth										90,000	0	204,000	0
Non-cash interest income on note from SemiSouth										665,000	0	1,445,000	0
Interest income from SemiSouth lease line										79,000	21,000	243,000	60,000
Total interest income from SemiSouth										$ 834,000	$ 21,000	$ 1,892,000	$ 60,000