NET INVESTMENT IN SALES-TYPE LEASES (Schedule of Future Minimum Rentals) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Investments [Abstract]
2013	$ 36,607,448
2014	28,769,009
2015	26,385,338
2016	26,385,338
2017	26,385,338
Thereafter	236,075,792
Total	$ 380,608,263	$ 415,796,738

Amount of minimum lease payments to be received by the lessor for capital leases.

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Amount of minimum lease payments to be received by the lessor after the fifth fiscal year following the latest fiscal year for capital leases.

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