Derivative Instruments and Hedging Activity (Details Textual) (Interest Rate Swap Agreement [Member], USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2009	Apr. 24, 2012	Jan. 02, 2009
Interest Rate Swap Agreement [Member]
Derivative, Notional Amount			$ 22,268,358	$ 24,501,280
Agreement Starting Date	Jul. 01, 2013	Jan. 02, 2009
Agreement Ending Date	May 01, 2019	Jul. 01, 2013
Cash Flow Hedges Derivative Instruments at Fair Value, Net			22,268,358	24,501,280
Loans Receivable, Description of Variable Rate Basis	one-month LIBOR and will pay to the counterparty a fixed rate of 1.92%.	1.5% plus one-month LIBOR and will pay to the counterparty a fixed rate of 3.744%.
Short-term Debt, Percentage Bearing Fixed Interest Rate				3.744%
Short-term Debt, Percentage Bearing Variable Interest Rate	1.92%
Conversion Of Variable Rate Borrowing Amount To Fixed Rate Bearing Amount	$ 22,268,358	$ 24,501,280