Business Combination (Schedule of Identifiable Assets Acquired) (Details) (Treehouse, USD $) In Thousands, unless otherwise specified	0 Months Ended
	Aug. 01, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets acquired	$ 1,303
Acquired license agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets acquired	1,040
Estimated Useful Life (Years)	5 years
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets acquired	138
Estimated Useful Life (Years)	5 years
Non-competition agreement
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets acquired	82
Estimated Useful Life (Years)	3 years
Customer lists
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets acquired	$ 43
Estimated Useful Life (Years)	3 years