Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accumulated amortization of initial direct costs	$ 377,466	$ 236,377
Accrued interest
Accumulated amortization of loan origination costs	14,429
Equipment Notes Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest	536,046	277,703
Convertible Promissory Note
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest	$ 50,000