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: Schedule of Disaggregation of Revenue Treatment Services Total Treatment Services Total Revenue by Contract Type (In thousands) Three Months Ended Three Months Ended June 30, 2024 June 30, 2023 Treatment Services Total Treatment Services Total Fixed price $ 8,343 $ 4,755 $ 13,098 $ 12,834 $ 11,161 $ 23,995 Time and materials — 888 888 — 1,037 1,037 Total $ 8,343 $ 5,643 $ 13,986 $ 12,834 $ 12,198 $ 25,032 Treatment Services Total Treatment Services Total Revenue by Contract Type (In thousands) Six Months Ended Six Months Ended June 30, 2024 June 30, 2023 Treatment Services Total Treatment Services Total Fixed price $ 17,052 $ 9,069 $ 26,121 $ 22,428 $ 19,808 $ 42,236 Time and materials — 1,482 1,482 — 2,903 2,903 Total $ 17,052 $ 10,551 $ 27,603 $ 22,428 $ 22,711 $ 45,139 Treatment Services Total Treatment Services Total Revenue by generator (In thousands) Three Months Ended Three Months Ended June 30, 2024 June 30, 2023 Treatment Services Total Treatment Services Total Domestic government $ 6,252 $ 4,168 $ 10,420 $ 9,808 $ 11,441 $ 21,249 Domestic commercial 1,721 1,363 3,084 2,269 742 3,011 Foreign government 1 88 89 657 (7 ) 650 Foreign commercial 369 24 393 100 22 122 Total $ 8,343 $ 5,643 $ 13,986 $ 12,834 $ 12,198 $ 25,032 Treatment Services Total Treatment Services Total Revenue by generator (In thousands) Six Months Ended Six Months Ended June 30, 2024 June 30, 2023 Treatment Services Total Treatment Services Total Domestic government $ 12,013 $ 8,471 $ 20,484 $ 17,065 $ 21,159 $ 38,224 Domestic commercial 4,222 1,867 6,089 4,475 1,339 5,814 Foreign government 1 167 168 752 170 922 Foreign commercial 816 46 862 136 43 179 Total $ 17,052 $ 10,551 $ 27,603 $ 22,428 $ 22,711 $ 45,139 Contract Balances The timing of revenue recognition and billings can result in unbilled receivables (contract assets) or deferred revenue (contract liabilities). The following table represents changes in our contract asset and contract liabilities balances: The reduction in deferred revenue was primarily due to the substantial completion of a waste treatment project for a certain customer in which a prepayment was made to the Company by the customer in 2023. Schedule of Contract Balances (In thousands) June 30, 2024 December 31, 2023 Change ($) Change (%) Contract assets Unbilled receivables - current $ 7,076 $ 8,432 $ (1,356 ) -16 % Contract liabilities Deferred revenue $ 5,818 $ 6,815 $ (997 ) -14.6 % During the three and six months ended June 30, 2024, the Company recognized revenue of $ 1,754,000 4,919,000 1,098,000 4,593,000 Accounts Receivable Accounts receivable, net of credit losses, totaled $ 6,423,000 3,299,000 9,722,000 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. |