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Revenue Recognition (Tables)
3 Months Ended
Mar. 31, 2022
Revenue from Contract with Customer [Abstract]  
Schedule of Revenues Disaggregated by Revenue

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

 

                                         
   Three months ended March 31, 2022   Three months ended March 31, 2021 
    Verification and Certification Segment     Software Sales and Related Consulting Segment     Eliminations and Other      Consolidated Totals     Verification and Certification Segment     Software Sales and Related Consulting Segment     Eliminations and Other     Consolidated Totals  
                                         
Revenues:                                        
Verification and certification service revenue  $3,784   $-   $-   $3,784   $3,263   $-   $-   $3,263 
Product sales   1,007    -    -    1,007    724    -    -    724 
Software and related consulting revenue   -    1,365    -    1,365    -    453    -    453 
Total revenues  $4,791   $1,365   $-   $6,156   $3,987   $453   $-   $4,440 

Schedule of Changes in Contract with Customer Liabilities

The following table reflects the changes in our contract liabilities during the three month period ended March 31, 2022 (amounts in thousands):

 

     
Deferred revenue:    
Unearned revenue December 31, 2021  $1,513 
Unearned billings   1,771 
Revenue recognized   (2,007)
Unearned revenue March 31, 2022  $1,277