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Schedule of Revenue Attributable to Each of Our Identified Revenue Categories (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Total revenues $ 5,582 $ 5,267
Verification and Certification Service Revenue [Member]    
Total revenues 4,434 3,806
Product Sales [Member]    
Total revenues 733 971
Professional Services [Member]    
Total revenues 415 490
Verification and Certification Segment [Member]    
Total revenues 5,167 4,777
Verification and Certification Segment [Member] | Verification and Certification Service Revenue [Member]    
Total revenues 4,434 3,806
Verification and Certification Segment [Member] | Product Sales [Member]    
Total revenues 733 971
Verification and Certification Segment [Member] | Professional Services [Member]    
Total revenues
Professional Services Segment [Member]    
Total revenues 415 490
Professional Services Segment [Member] | Verification and Certification Service Revenue [Member]    
Total revenues
Professional Services Segment [Member] | Product Sales [Member]    
Total revenues
Professional Services Segment [Member] | Professional Services [Member]    
Total revenues 415 490
Eliminations and Other [Member]    
Total revenues
Eliminations and Other [Member] | Verification and Certification Service Revenue [Member]    
Total revenues
Eliminations and Other [Member] | Product Sales [Member]    
Total revenues
Eliminations and Other [Member] | Professional Services [Member]    
Total revenues