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REVENUE
 12 Months Ended
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]  
REVENUE

NOTE 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 following tables present further disaggregation of our revenues by different categories for our Services and Treatment Segments:

 

Revenue by Contract Type                        
(In thousands)  Twelve Months Ended   Twelve Months Ended 
   December 31, 2021   December 31, 2020 
   Treatment   Services   Total   Treatment   Services   Total 
Fixed price  $32,992   $11,236   $44,228   $30,143   $8,970   $39,113 
Time and materials   —    27,963    27,963    —    66,313    66,313 
Total  $32,992   $39,199   $72,191   $30,143   $75,283   $105,426 

 

Revenue by generator                        
(In thousands)  Twelve Months Ended   Twelve Months Ended 
   December 31, 2021   December 31, 2020 
   Treatment   Services   Total   Treatment   Services   Total 
Domestic government  $22,538   $29,013   $51,551   $22,795   $68,237   $91,032 
Domestic commercial   9,294    1,412    10,706    6,933    1,825    8,758 
Foreign government   577    8,684    9,261    415    5,135    5,550 
Foreign commercial   583    90    673    —    86    86 
Total  $32,992   $39,199   $72,191   $30,143   $75,283   $105,426 

 

Contract Balances

 

The timing of revenue recognition, billings, and cash collections results in accounts receivable and unbilled receivables (contract assets). The Company’s contract liabilities consist of deferred revenues which represents advance payment from customers in advance of the completion of our performance obligation.

 

The following table represents changes in our contract assets and contract liabilities balances:

 

           Year-to-date   Year-to-date 
(In thousands)  December 31, 2021   December 31, 2020   Change ($)   Change (%) 
Contract assets                    
Account receivables, net of allowance  $11,372   $9,659   $1,713    17.7%
Unbilled receivables - current   8,995    14,453    (5,458)   (37.8)%
                     
Contract liabilities                    
Deferred revenue  $5,580   $4,614   $966    20.9%

 

The decrease in unbilled receivables was primarily within our Services Segment due to invoicing and collection of accounts receivable on certain large projects which have been completed or are near completion.

 

During the twelve months ended December 31, 2021 and 2020, the Company recognized revenue of $7,196,000 and $8,094,000, 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.