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RETAINED INTEREST IN PURCHASED ACCOUNTS RECEIVABLE - Summary of Adjustments to allowance for uncollectible invoices (Details 2) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Loans, Notes, Trade and Other Receivables Disclosure [Abstract]
Balance - beginning of quarter	$ 80,449	$ 17,500
Provision for credit losses
Write-offs
Balance - end of quarter	$ 80,449	$ 17,500

Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

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