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Revenue Recognition - Schedule of Revenues Disaggregated by Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Total revenues	$ 4,416	$ 4,888	$ 8,328	$ 8,843
Verification and Certification Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	3,108	3,743	5,911	6,555
Software License, Maintenance and Support Services Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	237	300	380	595
Software-Related Consulting Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	275	210	516	417
Verification and Certification Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	3,904	4,378	7,432	7,831
Verification and Certification Segment [Member] | Verification and Certification Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	3,108	3,743	5,911	6,555
Verification and Certification Segment [Member] | Product Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	796	635	1,521	1,276
Verification and Certification Segment [Member] | Software-Related Consulting Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues
Verification and Certification Segment [Member] | Software License, Maintenance and Support Services Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues
Verification and Certification Segment [Member] | Software License, Maintenance and Support Services Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues
Verification and Certification Segment [Member] | Software-Related Consulting Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues
Software Sales and Related Consulting Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	512	582	1,010	1,146
Software Sales and Related Consulting Segment [Member] | Verification and Certification Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues
Software Sales and Related Consulting Segment [Member] | Product Sales [Member]
Segment Reporting Information [Line Items]
Total revenues
Software Sales and Related Consulting Segment [Member] | Software-Related Consulting Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	275	243	540	464
Software Sales and Related Consulting Segment [Member] | Software License, Maintenance and Support Services Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	237	339	470	682
Eliminations and Other [Member]
Segment Reporting Information [Line Items]
Total revenues		(72)	(114)	(134)
Eliminations and Other [Member] | Verification and Certification Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues
Eliminations and Other [Member] | Product Sales [Member]
Segment Reporting Information [Line Items]
Total revenues
Eliminations and Other [Member] | Software-Related Consulting Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues		(33)	(24)	(47)
Eliminations and Other [Member] | Software License, Maintenance and Support Services Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues		(39)	(90)	(87)
Eliminations and Other [Member] | Verification and Certification Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues
Consolidated [Member]
Segment Reporting Information [Line Items]
Total revenues	4,416	4,888	8,328	8,843
Consolidated [Member] | Verification and Certification Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	3,108	3,743	5,911	6,555
Consolidated [Member] | Product Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	796	635	1,521	1,276
Consolidated [Member] | Software-Related Consulting Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	275	210	516	417
Consolidated [Member] | Software License, Maintenance and Support Services Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 237	$ 300	$ 380	$ 595

X

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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