Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2017

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures

The results from discontinued operations were as follows (in thousands):

	Years Ended December 31,
	2017		2016		2015
Revenue:
Product and service revenues	$	—	$	—	$	—
Total revenue	—		—		—
Operating expenses:
Cost of revenue	—		—		—
Research, development and other related costs	—		—		—
Selling, general and administrative	—		—		389
Restructuring, impairment of long-lived assets and other charges and gain on sale of patents	—		—		(371		)	(1	)
Impairment of goodwill	—		—		—
Total operating expenses	—		—		18
Other income and (expense), net	—		—		—
Operating loss before taxes	—		—		(18		)
Expense (benefit) from income taxes	—		—		83
Net loss from discontinued operations	$	—	$	—	$	(101	)

(1) As noted above, the Company underwent restructuring activities in 2014. Additionally, the Company sold assets and the proceeds are netted against expenses. Discontinued operations were fully completed in 2015.