INVESTMENT IN THIRD PARTY (Details) (USD $)			1 Months Ended	3 Months Ended		1 Months Ended		3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Jul. 31, 2011 SemiSouth [Member]	Mar. 31, 2012 SemiSouth [Member]	Mar. 31, 2011 SemiSouth [Member]	Jul. 31, 2011 Developed Technology Rights [Member]	Aug. 31, 2011 Developed Technology Rights [Member]	Mar. 31, 2012 Noncontrolling Interest [Member] SemiSouth [Member] times	Oct. 22, 2010 Noncontrolling Interest [Member] SemiSouth [Member]	Mar. 31, 2012 Capital Lease Obligations [Member] SemiSouth [Member]	Mar. 31, 2012 Loans To Semi South [Member] SemiSouth [Member]	Mar. 31, 2012 Maximum [Member] SemiSouth [Member]
Schedule of Cost-method Investments [Line Items]
Loss Contingency, Range of Possible Loss, Maximum										$ 8,600,000	$ 18,000,000
Lease line funded amount								8,500,000
Lease guaranty		2,500,000
Lease line funded amount, less payments withheld under arrangement to finance capital equipment								8,200,000
Lease line funded as deposits on equipment								300,000
Cost-method Investment in SemiSouth								7,000,000	7,000,000
Prepaid royalty to SemiSouth	10,000,000	10,000,000						10,000,000	10,000,000
Lease line maximum borrowing capacity								8,600,000
Potential minimum purchase price									36,000,000
Potential Business Acquisition, Maximum Purchase Price								80,000,000	80,000,000
Multiple of level of quarterly revenues in first quarter of 2012								15
Investees proceeds from other financing activities			15,000,000
Contingent Purchase Commitment						15,000,000
Cost-method investment, ownership percentage in SemiSouth								less than 20%
Fair value of Put/Call Option				0
Letter Of Credit Issued To Financing Company							15,000,000
Loan to SemiSouth				18,000,000
Purchase option	6,216,000	0		6,200,000
Receivable with Imputed Interest, Discount				6,200,000
Receivables with Imputed Interest, Amortization Amount				200,000
Interest and Other Income [Abstract]
Investment Income, Interest				24,000	0
Other Noncash Income (Expense)				157,000	0
Interest and Fee Income, Loans and Leases				83,000	21,000
Interest Income (Expense), Net				$ 264,000	$ 21,000
Cost Method Investments Maximum Ownership Percentage												20.00%