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Discontinued Operations - Summary of Operating Results Related to Discontinued Operations (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Discontinued Operations And Disposal Groups [Abstract]
Product revenue	$ 703
Cost of revenue	659
Gross profit	44
Operating expenses:
Research and development	420
Sales and marketing	314
General and administrative	145
Total operating expenses	879
Operating loss	(835)
Other income (expense)	149
Loss from discontinued operations	$ (686)

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Disposal group including discontinued operation other income (expense).

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Disposal group including discontinued operation research and development expense.

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Disposal group including discontinued operation sales and marketing expense.

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Disposal group including discontinued operations operating expenses.

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Income (loss) from discontinued operations before gain (loss) from sale of business, net of tax

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Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5B
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Amount of general and administrative expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of gross profit attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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