Intangible Assets (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 2,500,000
Amortization of Intangible Assets	1,400,000	800,000	300,000
Impairment of technology	0	1,000,000	0
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	1 year
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years
Research and Development Expense [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of technology		$ 1,000,000