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Revenue (Tables)

3 Months Ended

Mar. 31, 2025

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

 Schedule of Disaggregation of Revenue

Revenue by Contract Type
(In thousands)		Three Months Ended												Three Months Ended
		March 31, 2025												March 31, 2024
		Treatment				Services				Total				Treatment				Services				Total
Fixed price		$	9,186			$	2,930			$	12,116			$	8,709			$	4,314			$	13,023
Time and materials			—				1,803				1,803				—				594				594
Total		$	9,186			$	4,733			$	13,919			$	8,709			$	4,908			$	13,617

Revenue by generator
(In thousands)		Three Months Ended												Three Months Ended
		March 31, 2025												March 31, 2024
		Treatment				Services				Total				Treatment				Services				Total
Domestic government		$	5,250			$	4,534			$	9,784			$	5,761			$	4,303			$	10,064
Domestic commercial			1,467				111				1,578				2,501				504				3,005
Foreign government			2,207				54				2,261				—				79				79
Foreign commercial			262				34				296				447				22				469
Total		$	9,186			$	4,733			$	13,919			$	8,709			$	4,908			$	13,617

Schedule of Contract Balances

 Schedule of Contract Balances

(In thousands)		March 31, 2025				December 31, 2024				Year-to-date Change ($)				Year-to-date Change (%)
Contract assets
Unbilled receivables - current		$	5,168			$	4,990			$	178				3.6	%
Contract liabilities
Deferred revenue		$	5,881			$	6,711			$	(830	)			-12.4	%

(In thousands)		March 31, 2024				December 31, 2023				Year-to-date Change ($)				Year-to-date Change (%)
Contract assets
Unbilled receivables - current		$	8,797			$	8,432			$	365				4.3	%
Contract liabilities
Deferred revenue		$	7,295			$	6,815			$	480				7.0	%

Schedule of Changes in Accounts Receivable, Net of Credit Losses

The following table represents changes in accounts receivable, net of credit losses, for the periods noted:

Schedule of Changes in Accounts Receivable, Net of Credit Losses

(In thousands)		March 31, 2025				December 31, 2024				Year-to-date Change ($)				Year-to-date Change (%)
Accounts Receivable (net)		$	9,311			$	11,579			$	(2,268	)			-19.6	%

		March 31, 2024				December 31, 2023				Year-to-date Change ($)				Year-to-date Change (%)
Accounts Receivable (net)		$	8,701			$	9,722			$	(1,021	)			-10.5	%

X

- 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

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X

- 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

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- References

No definition available.

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X

- Definition

Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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