Description of Business and Summary of Significant Accounting Policies (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Assets [Abstract]
Total assets measured at fair value	$ 1,427	[1]	$ 801	[1]
Liabilities [Abstract]
Total liabilities measured at fair value	17,739	[1]	15,265	[1]
Fair Value, Inputs, Level 1 [Member]
Assets [Abstract]
Total assets measured at fair value	1,427	[1]	801	[1]
Fair Value, Inputs, Level 2 [Member]
Liabilities [Abstract]
Total liabilities measured at fair value	530	[1]	845	[1]
Fair Value, Inputs, Level 3 [Member]
Liabilities [Abstract]
Total liabilities measured at fair value	17,209	[1]	14,420	[1]
Common share-based put option [Member]
Liabilities [Abstract]
Derivative liabilities	530	[1],[2]	845	[1],[2]
Common share-based put option [Member] | Fair Value, Inputs, Level 2 [Member]
Liabilities [Abstract]
Derivative liabilities	530	[1],[2]	845	[1],[2]
Contingent accrued earn-out acquisition consideration [Member]
Liabilities [Abstract]
Derivative liabilities	17,209	[1],[3]	14,420	[1],[3]
Contingent accrued earn-out acquisition consideration [Member] | Fair Value, Inputs, Level 3 [Member]
Liabilities [Abstract]
Derivative liabilities	17,209	[1],[3]	14,420	[1],[3]
Certificates of Deposit [Member]
Assets [Abstract]
Available-for-sale securities	1,427	[1]	801	[1]
Certificates of Deposit [Member] | Fair Value, Inputs, Level 1 [Member]
Assets [Abstract]
Available-for-sale securities	$ 1,427	[1]	$ 801	[1]

[1] During the three months ended June 30, 2014 and the year ended December 31, 2013 there were no transfers between fair value levels 1, 2, or 3.

[2] {F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOmY2M2FlZjI1NGFiNzRmMDk5NGMzNGEyOGU2YWNhYjFjfFRleHRTZWxlY3Rpb246M0Q4NjU0MkEwQTVBNEI1REFBRjE4ODExMURCRkYwMkEM}

[3] 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.