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Schedule of Revenue Attributable to Each of Our Identified Revenue Categories (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Product Information [Line Items]    
Total revenues $ 21,932 $ 20,076
Verification and Certification Service Revenue [Member]    
Product Information [Line Items]    
Total revenues 16,058 14,254
Product Sales [Member]    
Product Information [Line Items]    
Total revenues 3,830 3,859
Software-Related Consulting Service Revenue [Member]    
Product Information [Line Items]    
Total revenues 2,044 1,963
Verification And Certification Segment [Member]    
Product Information [Line Items]    
Total revenues 19,888 18,113
Verification And Certification Segment [Member] | Verification and Certification Service Revenue [Member]    
Product Information [Line Items]    
Total revenues 16,058 14,254
Verification And Certification Segment [Member] | Product Sales [Member]    
Product Information [Line Items]    
Total revenues 3,830 3,859
Verification And Certification Segment [Member] | Software-Related Consulting Service Revenue [Member]    
Product Information [Line Items]    
Total revenues
Software Sales And Related Consulting Segment [Member]    
Product Information [Line Items]    
Total revenues 2,044 2,077
Software Sales And Related Consulting Segment [Member] | Verification and Certification Service Revenue [Member]    
Product Information [Line Items]    
Total revenues
Software Sales And Related Consulting Segment [Member] | Product Sales [Member]    
Product Information [Line Items]    
Total revenues
Software Sales And Related Consulting Segment [Member] | Software-Related Consulting Service Revenue [Member]    
Product Information [Line Items]    
Total revenues 2,044 2,077
Eliminations And Other [Member]    
Product Information [Line Items]    
Total revenues (114)
Eliminations And Other [Member] | Verification and Certification Service Revenue [Member]    
Product Information [Line Items]    
Total revenues
Eliminations And Other [Member] | Product Sales [Member]    
Product Information [Line Items]    
Total revenues
Eliminations And Other [Member] | Software-Related Consulting Service Revenue [Member]    
Product Information [Line Items]    
Total revenues $ (114)