Deferred Revenue (Details Textual) (USD $)	3 Months Ended			6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Sep. 30, 2004	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Jul. 31, 2004
Payments to Acquire Businesses and Interest in Affiliates			$ 4,000,000
Business Acquisition, Purchase Price Allocation, Property							4,000,000
Deferred Revenue	2,162,473			2,162,473		2,394,163	4,000,000
Minimum rents	$ 8,496,867	$ 7,293,066	$ 2,200,000	$ 16,823,699	$ 15,042,879
Minimum Lease Rental Years			4.7 years