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Revenue Recognition (Tables)
 3 Months Ended
Mar. 31, 2024
Revenue Recognition  
Schedule of Revenue Attributable to Each of Our Identified Revenue Categories

Revenue attributable to each of our identified revenue categories is disaggregated in the table below (amounts in thousands).

 

   Verification and Certification Segment   Professional Services Segment   Eliminations and Other   Consolidated Totals   Verification and Certification Segment   Professional Services Segment   Eliminations and Other   Consolidated Totals 
   Three months ended March 31, 2024   Three months ended March 31, 2023 
   Verification and Certification Segment   Professional Services Segment   Eliminations and Other   Consolidated Totals   Verification and Certification Segment   Professional Services Segment   Eliminations and Other   Consolidated Totals 
Revenues:                                        
Verification and certification service revenue  $4,434   $-   $-   $4,434   $3,806   $-   $-   $3,806 
Product sales   733    -    -    733    971    -    -    971 
Professional services   -    415    -    415    -    490    -    490 
Total revenues  $5,167   $415   $-   $5,582   $4,777   $490   $-   $5,267 
Schedule of Changes in Contract Liabilities

The following table reflects the changes in our contract liabilities during the three month period ended March 31, 2024 (amounts in thousands):

 

Deferred revenue:     
Unearned revenue December 31, 2023  $1,485 
Unearned billings   708 
Revenue recognized   (736)
Unearned revenue March 31, 2024  $1,457