Discontinued Operations, Assets Held for Sale - Components Attributable to Commercial Business (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations	$ (3,391)	$ (2,231)
Commercial Business Segment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenue	0	2,750
Additional channel obligations	(1,010)	0
Cost of revenue	0	(393)
Amortization of certain acquired intangible assets	0	(146)
Research and development	0	(85)
Selling, general, and administrative	(2,381)	(4,340)
Non-operating income (expense)	0	(17)
Impairment charge from classification as assets held for sale	0	0
Loss from discontinued operations	$ (3,391)	$ (2,231)