6. Interest Rate Swap Contract (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

Fair Values of Derivative Instruments:
	Liability Derivative
	December 31, 2012			December 31, 2011
	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Derivatives designated as hedging instruments:
Interest rate swap contract	Liabilities	$	1,965,000	Liabilities	$	1,975,000
Total derivatives designated as hedging instruments		$	1,965,000		$	1,975,000

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block]

	Amount of Gain or (Loss)
	Recognized in OCI on
	Derivative
Derivatives in ASC Topic 815 Cash Flow Hedging Relationships	(Effective Portion)
	For the year ended		For the year ended
	December 31, 2012		December 31, 2011
Interest rate swap contracts	$	5,000	$	(256,500	)
Total	$	5,000	$	(256,500	)