v3.26.1
Revenue Recognition
12 Months Ended
Dec. 31, 2025
Schedule of Disaggregation of Revenue [Abstract]  
Revenue Recognition

Note 4. Revenue Recognition

 

The Company is in the business of developing geologic repository technology for the purpose of nuclear waste storage or disposal activities, including any related consulting services for such activities.

 

Disaggregation of Revenue

 

The Company’s business segments are organized based on the nature and economic characteristics of our services, ensuring meaningful disaggregation of each segment’s operational results. The following tables provide a detailed breakdown of our revenue:

 

Revenue by Contract Type (in thousands)

 

   Year Ended
December 31,
 
   2025   2024 
Grant revenue  $2,309   $5,756 
Remediation, administrative and consulting services and other revenue   3,827    1,297 
Total revenue by contract type  $6,136   $7,053 

 

Revenue by Generator (in thousands)

 

   Year Ended December 31, 
   2025   2024 
   Domestic   Foreign   Domestic   Foreign 
Domestic government  $5,592   $
-
   $6,481   $
-
 
Domestic commercial   298    
-
    45    
-
 
Foreign government   
-
    222    
-
    501 
Foreign commercial   
-
    24    
-
    26 
Total  $5,890   $246   $6,526   $527 

 

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 payments from customers in advance of the completion of our performance obligations.

 

The following tables represent changes in our contract assets. Our contract assets of $275 thousand as of December 31, 2025 relate to various customers for nuclear waste disposal services which are expected to be completed in 2026.

 

Contract Assets (in thousands) 

 

   Amount 
Balance as of January 1, 2023  $346 
Add: Revenue earned but not yet billed   2,420 
Less: Billed and transferred to receivables   (2,655)
Balance as of December 31, 2024  $111 
Add: Revenue earned but not yet billed   4,112 
Less: Billed and transferred to receivables   (3,948)
Balance as of December 31, 2025  $275 

 

Revenue recognized in each period relates to performance obligations satisfied within the respective period. The Company had $150 thousand and $0 contract liabilities as of December 31, 2025 and 2024.

Allowance for Credit Losses (in thousands)

 

An allowance of $118 thousand and $128 thousand has been recorded as of December 31, 2025 and December 31, 2024, respectively.

 

   Amount 
Balance, January 1, 2023  $149 
Add: Additions   
-
 
Less: Write-offs and Recoveries   (21)
Balance, December 31, 2024  $128 
Add: Additions   33 
Less: Write-offs and Recoveries   (43)
Balance, December 31, 2025  $118