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Income Taxes Income tax disclosure (Tables)
6 Months Ended
Jun. 30, 2015
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2015
 
2014
 
2015
 
2014
(Provision) benefit for income taxes
$
(140,433
)
 
$
607,129

 
$
(3,025,602
)
 
$
2,019,149