Fair Value Measurements (Details 3) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)
Fair Value Disclosures [Abstract]
Warrants, Acquired From Acquisition	$ 5,552
Gain on Sale of Investments	530
Proceeds from Issuance of Warrants	(1,529)
Transfers to Available-For-Sale	(2)
Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants	363
Warrants Not Settleable in Cash, Fair Value Disclosure	$ 4,914