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Revenue
 3 Months Ended
Mar. 31, 2023
Revenue from Contract with Customer [Abstract]  
Revenue

3. Revenue

 

Disaggregation of Revenue

 

In general, the Company’s business segmentation is aligned according to the nature and economic characteristics of our services and provides meaningful disaggregation of each business segment’s results of operations. The nature of the Company’s performance obligations within our Treatment and Services Segments results in the recognition of our revenue primarily over time. The following tables present further disaggregation of our revenues by different categories for our Services and Treatment Segments:

 

Revenue by Contract Type                        
(In thousands)  Three Months Ended   Three Months Ended 
   March 31, 2023   March 31, 2022 
   Treatment   Services   Total   Treatment   Services   Total 
Fixed price  $9,594   $8,647   $18,241   $7,479   $5,761   $13,240 
Time and materials   —    1,866    1,866    —    2,675    2,675 
Total  $9,594   $10,513   $20,107   $7,479   $8,436   $15,915 

 

Revenue by generator                        
(In thousands)  Three Months Ended   Three Months Ended 
   March 31, 2023   March 31, 2022 
   Treatment   Services   Total   Treatment   Services   Total 
Domestic government  $7,257   $9,718   $16,975   $5,815   $8,245   $14,060 
Domestic commercial   2,206    597    2,803    1,436    162    1,598 
Foreign government   95    177    272    92    6    98 
Foreign commercial   36    21    57    136    23    159 
Total  $9,594   $10,513   $20,107   $7,479   $8,436   $15,915 

 

Contract Balances

 

The timing of revenue recognition and billings results in unbilled receivables (contract assets). The Company’s contract liabilities consist of deferred revenues which represent advance payment from customers in advance of the completion of our performance obligation. The following table represents changes in our contract asset and contract liabilities balances:

 

           Year-to-date   Year-to-date 
(In thousands)  March 31, 2023   December 31, 2022   Change ($)   Change (%) 
Contract assets                    
Unbilled receivables - current  $6,701   $6,062   $639    10.5%
                     
Contract liabilities                    
Deferred revenue  $5,003   $4,813   $190    3.9%

 

During the three months ended March 31, 2023 and 2022, the Company recognized revenue of $3,494,000 and $3,521,000, respectively, related to untreated waste that was in the Company’s control as of the beginning of each respective year. Revenue recognized in each period related to performance obligations satisfied within the respective period.

 

Remaining Performance Obligations

 

The Company applies the practical expedient in Accounting Standards Codification (“ASC”) 606-10-50-14 and does not disclose information about remaining performance obligations that have original expected durations of one year or less.

 

Within our Services Segment, there are service contracts which provide that the Company has a right to consideration from a customer in an amount that corresponds directly with the value to the customer of our performance completed to date. For those contracts, the Company has utilized the practical expedient in ASC 606-10-55-18, which allows the Company to recognize revenue in the amount for which we have the right to invoice; accordingly, the Company does not disclose the value of remaining performance obligations for those contracts.

 

The Company’s contracts and subcontracts relating to activities at governmental sites generally allow for termination for convenience at any time at the government’s option without payment of a substantial penalty. The Company does not disclose remaining performance obligations on these contracts.