Intangible Assets (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 1,275,000		$ 1,275,000		$ 1,364,000
Amortization of intangible assets	60,000	$ 0	90,000	$ 0
Developed Technology Rights, Placed in Service [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets	1,000,000		$ 1,000,000
Developed Technology Rights, Placed in Service [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite-lived intangible assets			3 years
Developed Technology Rights, Placed in Service [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite-lived intangible assets			5 years
Developed Technology Rights, Not Placed in Service [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 400,000		$ 400,000