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REVENUE (Tables) | 12 Months Ended
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Dec. 31, 2023
Revenue from Contract with Customer [Abstract] |
SCHEDULE OF DISAGGREGATION OF REVENUE | SCHEDULE OF DISAGGREGATION OF REVENUE
|  | Treatment |  |  | Services |  |  | Total |  |  | Treatment |  |  | Services |  |  | Total |
Revenue by Contract Type |  |  |  |  |  |
(In thousands) |  | Twelve Months Ended |  |  | Twelve Months Ended |
|  | December 31, 2023 |  |  | December 31, 2022 |
|  | Treatment |  |  | Services |  |  | Total |  |  | Treatment |  |  | Services |  |  | Total |
Fixed price |  | $ | 43,477 |  |  | $ | 41,540 |  |  | $ | 85,017 |  |  | $ | 33,358 |  |  | $ | 26,960 |  |  | $ | 60,318 |
Time and materials |  |  | — |  |  |  | 4,718 |  |  |  | 4,718 |  |  |  | — |  |  |  | 10,281 |  |  |  | 10,281 |
Total |  | $ | 43,477 |  |  | $ | 46,258 |  |  | $ | 89,735 |  |  | $ | 33,358 |  |  | $ | 37,241 |  |  | $ | 70,599 |
|  | Treatment |  |  | Services |  |  | Total |  |  | Treatment |  |  | Services |  |  | Total |
Revenue by generator |  |  |  |  |  |
(In thousands) |  | Twelve Months Ended |  |  | Twelve Months Ended |
|  | December 31, 2023 |  |  | December 31, 2022 |
|  | Treatment |  |  | Services |  |  | Total |  |  | Treatment |  |  | Services |  |  | Total |
Domestic government |  | $ | 31,448 |  |  | $ | 39,194 |  |  | $ | 70,642 |  |  | $ | 23,752 |  |  | $ | 35,906 |  |  | $ | 59,658 |
Domestic commercial |  |  | 10,670 |  |  |  | 6,357 |  |  |  | 17,027 |  |  |  | 8,307 |  |  |  | 1,408 |  |  |  | 9,715 |
Foreign government |  |  | 1,001 |  |  |  | 619 |  |  |  | 1,620 |  |  |  | 574 |  |  |  | (202 | ) |  |  | 372 |
Foreign commercial |  |  | 358 |  |  |  | 88 |  |  |  | 446 |  |  |  | 725 |  |  |  | 129 |  |  |  | 854 |
Total |  | $ | 43,477 |  |  | $ | 46,258 |  |  | $ | 89,735 |  |  | $ | 33,358 |  |  | $ | 37,241 |  |  | $ | 70,599 |
SCHEDULE OF 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: Our deferred revenue as of December 31, 2023, included a remaining prepayment of approximately $2,031,000 by a certain customer for a waste treatment project which is expected to be completed in 2024. SCHEDULE OF CONTRACT BALANCES
(In thousands) |  | December 31, 2023 |  |  | December 31, 2022 |  |  | Year-to-date Change ($) |  |  | Year-to-date Change (%) |
Contract assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unbilled receivables - current |  | $ | 8,432 |  |  | $ | 6,062 |  |  | $ | 2,370 |  |  |  | 39.1 | %
Contract liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred revenue |  | $ | 6,815 |  |  | $ | 4,813 |  |  | $ | 2,002 |  |  |  | 41.6 | %

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-10 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 + Details
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