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Period Type:

Debt Including Debt with Related Parties - Promissory Note - Related Party (Details) $ / shares in Units, $ in Thousands							9 Months Ended		12 Months Ended
	Nov. 05, 2025 EquityInstruments $ / shares shares	Sep. 24, 2025 USD ($) EquityInstruments $ / shares shares	Jun. 17, 2025 USD ($)	May 24, 2024 shares	Mar. 31, 2024 USD ($)	Feb. 16, 2024 USD ($) EquityInstruments $ / shares	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2025 USD ($)	May 31, 2024 $ / shares shares
Debt Including Debt with Related Parties
Debt issued							$ 4,000	$ 5,000
Number of shares issued upon conversion of warrants \| shares											128,800
Exercise price per warrant \| $ / shares											$ 5
September note warrant \| Mr Mulacek
Debt Including Debt with Related Parties
Estimated fair value of warrants							400
Related party \| Mr Mulacek
Debt Including Debt with Related Parties
Aggregate principal amount							8,000			$ 8,000
Common stock in excess of shares \| shares		1,217,798
February Note \| Related party \| Energy Evolution
Debt Including Debt with Related Parties
Aggregate principal amount						$ 5,000
Debt issued						$ 5,000
Interest rate						7.00%
Default interest rate						9.00%
Prepayment written notice						5 days
Conversion price \| $ / shares						$ 6.25
Gain on embedded derivative					$ 700
Shares issued on conversion \| shares				800,000
Loss on embedded derivative									$ 1,700
February Note \| Related party \| Maximum \| Energy Evolution
Debt Including Debt with Related Parties
Shares to be issued on conversion \| EquityInstruments						800,000
February Note \| Level 3 \| Related party \| Energy Evolution
Debt Including Debt with Related Parties
Fair value of embedded derivative					$ 1,300
June Note \| Related party \| Mr Mulacek
Debt Including Debt with Related Parties
Aggregate principal amount			$ 4,000
Debt issued			$ 2,000
Interest rate			5.50%
Default interest rate			9.00%
Additional debt			$ 2,000
Sanction period for additional debt			5 days
Threshold period for repayment after equity raise			5 days
June Note \| Related party \| Minimum \| Mr Mulacek
Debt Including Debt with Related Parties
Threshold days for written notice for additional debt			45 days
June Note \| Related party \| Maximum \| Mr Mulacek
Debt Including Debt with Related Parties
Threshold days for written notice for additional debt			90 days
September note \| Subsequent Event \| Mr Mulacek
Debt Including Debt with Related Parties
Conversion price \| $ / shares	$ 4.32
September note \| Maximum \| Subsequent Event \| September note warrant \| Mr Mulacek
Debt Including Debt with Related Parties
Number of shares issued upon conversion of warrants \| shares	138,889
September note \| Related party \| Mr Mulacek
Debt Including Debt with Related Parties
Aggregate principal amount		$ 4,000
Debt issued		$ 2,000
Interest rate		5.50%
Default interest rate		9.00%
Prepayment written notice		5 days
Conversion price \| $ / shares		$ 4.27
Shares to be issued on conversion \| EquityInstruments		936,768
Gain on embedded derivative							100
Additional debt		$ 2,000
Sanction period for additional debt		6 months
September note \| Related party \| September note warrant \| Mr Mulacek
Debt Including Debt with Related Parties
Exercise price per warrant \| $ / shares		$ 4.27
September note \| Related party \| Subsequent Event \| Mr Mulacek
Debt Including Debt with Related Parties
Shares to be issued on conversion \| EquityInstruments	462,962
September note \| Related party \| Subsequent Event \| September note warrant \| Mr Mulacek
Debt Including Debt with Related Parties
Exercise price per warrant \| $ / shares	$ 4.32
September note \| Related party \| Maximum \| September note warrant \| Mr Mulacek
Debt Including Debt with Related Parties
Number of shares issued upon conversion of warrants \| shares		281,030
September note \| Related party \| Maximum \| Subsequent Event \| September note warrant \| Mr Mulacek
Debt Including Debt with Related Parties
Number of shares issued upon conversion of warrants \| shares	138,889
September note \| Level 3 \| Related party \| Mr Mulacek
Debt Including Debt with Related Parties
Fair value of embedded derivative							$ 700