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Revenue (Tables)
 9 Months Ended
Sep. 30, 2022
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue

 

Revenue by Contract Type                        
(In thousands)  Three Months Ended   Three Months Ended 
   September 30, 2022   September 30, 2021 
   Treatment   Services   Total   Treatment   Services   Total 
Fixed price  $8,877   $6,892   $15,769   $8,893   $3,031   $11,924 
Time and materials   —    2,703    2,703    —    3,873    3,873 
Total  $8,877   $9,595   $18,472   $8,893   $6,904   $15,797 

 

Revenue by Contract Type                         
(In thousands)  Nine Months Ended   Nine Months Ended 
   September 30, 2022   September 30, 2021 
   Treatment    Services   Total   Treatment   Services   Total 
Fixed price  $24,749    $20,569   $45,318   $24,094   $7,094   $31,188 
Time and materials   —     8,524    8,524    —    23,887    23,887 
Total  $24,749    $29,093   $53,842   $24,094   $30,981   $55,075 

 

Revenue by generator                        
(In thousands)  Three Months Ended   Three Months Ended 
   September 30, 2022   September 30, 2021 
   Treatment   Services   Total   Treatment   Services   Total 
Domestic government  $5,728   $9,264   $14,992   $6,725   $4,552   $11,277 
Domestic commercial   2,806    313    3,119    1,956    399    2,355 
Foreign government   287    —    287    36    1,931    1,967 
Foreign commercial   56    18    74    176    22    198 
Total  $8,877   $9,595   $18,472   $8,893   $6,904   $15,797 

 

Revenue by generator                        
(In thousands)  Nine Months Ended   Nine Months Ended 
   September 30, 2022   September 30, 2021 
   Treatment   Services   Total   Treatment   Services   Total 
Domestic government  $17,786   $28,158   $45,944   $16,962   $24,172   $41,134 
Domestic commercial   6,045    859    6,904    6,284    1,185    7,469 
Foreign government   532    12    544    577    5,556    6,133 
Foreign commercial   386    64    450    271    68    339 
Total  $24,749   $29,093   $53,842   $24,094   $30,981   $55,075 
Schedule of Contract Liabilities

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 liabilities balances:

 

           Year-to-date   Year-to-date 

(In thousands)

  September 30, 2022   December 31, 2021   Change ($)   Change (%) 
Contract liabilities                    
Deferred revenue  $3,145   $5,580   $(2,435)   (43.6)%