Annual report pursuant to Section 13 and 15(d)

Interest Rate Hedge Swaps (Details Textual)

v3.3.1.900
Interest Rate Hedge Swaps (Details Textual) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on Fair Value Hedge Ineffectiveness, Net   $ (1,000) $ (1,000) $ 6,000
Reclassified into interest expense over the next 12 months   22,000    
Designated as Hedging Instrument [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on Fair Value Hedge Ineffectiveness, Net   1,284 897 (5,969)
Reclassified into interest expense over the next 12 months   $ (287,999) (305,945) (217,821)
Not Designated as Hedging Instrument [Member] | Interest rate contract [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Loss recognized in earnings $ 0   0 $ 75,000
Fair Value, Measurements, Recurring [Member] | Not Designated as Hedging Instrument [Member] | Interest rate contract [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Loss recognized in earnings     $ 351,807