Income Taxes (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Income tax expense	$ 61,000	$ 106,000	$ 74,000	$ 81,000
Income Taxes (Textual) [Abstract]
Unrecognized tax benefits	936,000		936,000		$ 1,400,000
Unrecognized tax benefits that would impact effective tax rate	464,000		464,000		469,000
Accrued for interest and penalties	$ 81,000		81,000		$ 99,000
Reduction in gross unrecognized tax benefits			$ 18,000