NET INVESTMENT IN SALES-TYPE LEASES (Schedule of Future Minimum Rentals) (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Investments [Abstract]
2014	$ 38,539,638
2015	30,459,497
2016	29,326,592
2017	29,326,592
2018	29,326,592
Thereafter	243,008,355
Total	$ 399,987,266	$ 380,608,263

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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