Divestiture (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Expenses related to expected sale, decrease in inventory reserves	$ 597,000	$ 845,000
Expense related to expected sale, impairment of intangible assets	0	$ 0
Sure Check \| Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Expenses related to expected sale, held-for-sale	1,213,000
Expenses related to expected sale, decrease in inventory reserves	509,000
Expense related to expected sale, impairment of intangible assets	704,000
Adjustment related to sale	(363,000)
Adjustment related to sale, inventory reserve	(289,000)
Adjustment related to sale, impairment of intangible assets	$ (74,000)

Assets Held For Sale Amount Of Adjustment To Impairment Of Intangible Assets Indefinite Lived Excluding Goodwill

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- Definition

Assets Held For Sale Amount Of Adjustment To Prior Period Inventory Write Down

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- Definition

Assets Held For Sale Amount Of Adjustment To Prior Period Related Expenses

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Assets Held For Sale Related Expenses

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116847112&loc=d3e4542-108314

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