Discontinued Operations (Details Textual) (USD $)	1 Months Ended	12 Months Ended
	Aug. 31, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Closing date of the agreement	Aug. 31, 2012
Selling price	$ 1,000,000
Discontinued Operation, Gain Loss on Disposal of Discontinued Operation, Net of Tax		$ 0	$ 0	$ 467,000
Agera
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Outstanding common stock of Agera	57.00%