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Revenue Recognition - Schedule of Revenues Disaggregated by Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Total revenues	$ 6,197	$ 6,232	$ 14,525	$ 15,075
Verification and Certification Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	4,307	4,759	10,218	11,314
Software License, Maintenance and Support Services Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	245	227	625	822
Software-Related Consulting Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	283	160	799	576
Verification and Certification Segment [Member]
Segment Reporting Information [Line Items]
Total revenues	5,669	5,845	13,101	13,677
Verification and Certification Segment [Member] | Verification and Certification Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	4,307	4,759	10,218	11,314
Verification and Certification Segment [Member] | Product Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	1,362	1,086	2,883	2,363
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	528	484	1,538	1,630
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	283	197	823	661
Software Sales and Related Consulting Segment [Member] | Software License, Maintenance and Support Services Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	245	287	715	969
Eliminations and Other [Member]
Segment Reporting Information [Line Items]
Total revenues		(97)	(114)	(232)
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		(37)	(24)	(85)
Eliminations and Other [Member] | Software License, Maintenance and Support Services Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues		(60)	(90)	(147)
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	6,197	6,232	14,525	15,075
Consolidated [Member] | Verification and Certification Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	4,307	4,759	10,218	11,314
Consolidated [Member] | Product Sales [Member]
Segment Reporting Information [Line Items]
Total revenues	1,362	1,086	2,883	2,363
Consolidated [Member] | Software-Related Consulting Service Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	283	160	799	576
Consolidated [Member] | Software License, Maintenance and Support Services Revenue [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 245	$ 227	$ 625	$ 822

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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