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Summary of Significant Accounting Policies - Schedule of Revenue Attributable to Each of Our Identified Revenue Categories (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Total revenues	$ 20,076	$ 20,774
Verification and Certification Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues	18,113	18,864
Software Sales and Related Consulting Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues	2,077	2,222
Eliminations and Other [Member]
Disaggregation of Revenue [Line Items]
Total revenues	(114)	(312)
Verification and Certification Service Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenues	14,254	15,564
Verification and Certification Service Revenue [Member] | Verification and Certification Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues	14,254	15,564
Verification and Certification Service Revenue [Member] | Software Sales and Related Consulting Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues
Verification and Certification Service Revenue [Member] | Eliminations and Other [Member]
Disaggregation of Revenue [Line Items]
Total revenues
Product Sales [Member]
Disaggregation of Revenue [Line Items]
Total revenues	3,859	3,300
Product Sales [Member] | Verification and Certification Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues	3,859	3,300
Product Sales [Member] | Software Sales and Related Consulting Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues
Product Sales [Member] | Eliminations and Other [Member]
Disaggregation of Revenue [Line Items]
Total revenues
Software License, Maintenance and Support Services Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenues	867	1,067
Software-Related Consulting Service Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenues	1,096	843
Verification and Certification Service Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenues	14,254	15,564
Product Sales [Member]
Disaggregation of Revenue [Line Items]
Total revenues	3,859	3,300
Software License, Maintenance and Support Services Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenues	867	1,067
Software License, Maintenance and Support Services Revenue [Member] | Verification and Certification Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues
Software License, Maintenance and Support Services Revenue [Member] | Software Sales and Related Consulting Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues	957	1,274
Software License, Maintenance and Support Services Revenue [Member] | Eliminations and Other [Member]
Disaggregation of Revenue [Line Items]
Total revenues	(90)	(207)
Software-Related Consulting Service Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenues	1,096	843
Software-Related Consulting Service Revenue [Member] | Verification and Certification Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues
Software-Related Consulting Service Revenue [Member] | Software Sales and Related Consulting Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues	1,120	948
Software-Related Consulting Service Revenue [Member] | Eliminations and Other [Member]
Disaggregation of Revenue [Line Items]
Total revenues	(24)	(105)
Operating Segments [Member] | Verification and Certification Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues	18,113	18,864
Operating Segments [Member] | Software Sales and Related Consulting Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues	2,077	2,222
Operating Segments [Member] | Eliminations and Other [Member]
Disaggregation of Revenue [Line Items]
Total revenues	(114)	(312)
Operating Segments [Member] | Verification and Certification Service Revenue [Member] | Verification and Certification Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues	14,254	15,564
Operating Segments [Member] | Product Sales [Member] | Verification and Certification Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues	3,859	3,300
Operating Segments [Member] | Software License, Maintenance and Support Services Revenue [Member] | Verification and Certification Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues
Operating Segments [Member] | Software-Related Consulting Service Revenue [Member] | Verification and Certification Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues
Operating Segments [Member] | Verification and Certification Service Revenue [Member] | Software Sales and Related Consulting Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues
Operating Segments [Member] | Verification and Certification Service Revenue [Member] | Eliminations and Other [Member]
Disaggregation of Revenue [Line Items]
Total revenues
Operating Segments [Member] | Product Sales [Member] | Software Sales and Related Consulting Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues
Operating Segments [Member] | Product Sales [Member] | Eliminations and Other [Member]
Disaggregation of Revenue [Line Items]
Total revenues
Operating Segments [Member] | Software License, Maintenance and Support Services Revenue [Member] | Software Sales and Related Consulting Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues	957	1,274
Operating Segments [Member] | Software License, Maintenance and Support Services Revenue [Member] | Eliminations and Other [Member]
Disaggregation of Revenue [Line Items]
Total revenues	(90)	(207)
Operating Segments [Member] | Software-Related Consulting Service Revenue [Member] | Software Sales and Related Consulting Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenues	1,120	948
Operating Segments [Member] | Software-Related Consulting Service Revenue [Member] | Eliminations and Other [Member]
Disaggregation of Revenue [Line Items]
Total revenues	$ (24)	$ (105)

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