Intangible Assets (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2025

Dec. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of intangible assets

Schedule of intangible assets
		As of June 30, 2025 (Unaudited)
(Amounts in thousands)		Gross Carrying Amount				Accumulated Amortization				Cumulative Impairment				Net Carrying Amount
Finite-lived intangible assets:
Software			300				(201	)			-				99
Total intangible assets		$	300			$	(201	)		$	-			$	99

		As of December 31, 2024
(Amounts in thousands)		Gross Carrying Amount				Accumulated Amortization				Cumulative Impairment				Net Carrying Amount
Finite-lived intangible assets:
Software			250				(165	)			-				85
Total intangible assets		$	250			$	(165	)		$	-			$	85

Schedule of intangible assets
		As of December 31, 2024
(Amounts in thousands)		Gross Carrying Amount				Accumulated Amortization				Cumulative Impairment				Net Carrying Amount
Finite-lived intangible assets:
Software			250				(165	)			-				85
Total intangible assets		$	250			$	(165	)		$	-			$	85

		As of December 31, 2023
(Amounts in thousands)		Gross Carrying Amount				Accumulated Amortization				Cumulative Impairment				Net Carrying Amount
Indefinite-lived intangible assets:
Trade name “UltraCell”		$	406			$	-			$	(406	)		$	-
Total indefinite-lived intangible assets		$	406			$	-			$	(406	)		$	-
Finite-lived intangible assets:
Patents			21,221				(3,247	)			(17,974	)			-
Process know-how (IPR&D)			2,612				(1,017	)			(1,595	)			-
Order backlog			266				(266	)			-				-
Software			233				(154	)			-				79
Total finite-lived intangible assets		$	24,332			$	(4,684	)		$	(19,569	)		$	79
Total intangible assets		$	24,738			$	(4,684	)		$	(19,975	)		$	79

Schedule of future amortization expense

Schedule of future amortization expense
(Amounts in thousands)
Fiscal Year Ended December 31,
2025		$	21
2026			22
2027			14
2028			14
2029			14
Thereafter			14
Total		$	99

Schedule of future amortization expense
(Amounts in thousands)
Fiscal Year Ended December 31,
2025		$	37
2026			21
2027			9
2028			9
2029			9
Thereafter			-
Total		$	85