XML 25 R78.htm IDEA: XBRL DOCUMENT v3.2.0.727
Comprehensive Income/Loss (Details Textual) (Details) - USD ($)
Jun. 30, 2015
Dec. 31, 2014
Dec. 31, 2012
Equity [Abstract]      
Gain on interest rate swaps $ 499,143 $ 643,000 $ 1,400,000