Income Taxes (Details Textual) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2014
Valuation Allowance [Line Items]
Increase in valuation allowance	$ 2,100,000
U.S. federal income tax rate		35.00%
Additional tax liability based on audit result	100,000	$ 100,000
Significant of uncertain tax positions requiring recognition	0	0	$ 0
Puerto Rico
Valuation Allowance [Line Items]
Deferred tax assets net of existing valuation allowance, realized	$ 0	0
Valuation allowance, deferred tax assets		$ 5,300,000