Description of Business and Summary of Significant Accounting Policies (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
Assets [Abstract]
Total assets measured at fair value	[1]	$ 1,014	$ 281
Liabilities [Abstract]
Total liabilities measured at fair value	[1]	8,013	5,367
Fair Value, Inputs, Level 1 [Member]
Assets [Abstract]
Total assets measured at fair value	[1]	1,014	281
Fair Value, Inputs, Level 2 [Member]
Liabilities [Abstract]
Total liabilities measured at fair value	[1]	0	0
Fair Value, Inputs, Level 3 [Member]
Liabilities [Abstract]
Total liabilities measured at fair value	[1]	8,013	5,367
Contingent accrued earn-out acquisition consideration [Member]
Liabilities [Abstract]
Derivative liabilities	[1],[2]	8,013	5,367
Contingent accrued earn-out acquisition consideration [Member] | Fair Value, Inputs, Level 3 [Member]
Liabilities [Abstract]
Derivative liabilities	[1],[2]	8,013	5,367
Certificates of Deposit [Member]
Assets [Abstract]
Available-for-sale securities	[1]	1,014	281
Certificates of Deposit [Member] | Fair Value, Inputs, Level 1 [Member]
Assets [Abstract]
Available-for-sale securities	[1]	$ 1,014	$ 281

[1] During the six months ended September 30, 2015 and the year ended December 31, 2014 there were no transfers between fair value levels 1, 2, or 3.

[2] The income valuation approach is applied and the valuation inputs include the contingent payment arrangement terms, projected cash flows, rate of return, and probability assessments.