Financing transaction (Additional Information) (Details) $ / shares in Units, $ in Thousands		12 Months Ended
	Nov. 08, 2023 USD ($) Segment Days $ / shares shares	Dec. 31, 2024 USD ($) Warrants $ / shares shares	Mar. 18, 2024 $ / shares	Dec. 31, 2023 $ / shares shares
Subsidiary or Equity Method Investee [Line Items]
Common stock, shares issued | shares		54,140,000		52,389,000
Common Stock, Par or Stated Value Per Share | $ / shares		$ 0.0001	$ 0.0001	$ 0.0001
Trading price of the Common Stock	$ 15
Preferred stock, par value | $ / shares		$ 0.0001
Program Award 1 | Segment	50,000
Advance condition	The Company’s right to request Advances is conditioned upon the Company achieving a minimum of one new passenger auto-original equipment manufacturer (“OEM”) or commercial OEM program award with at least a 50,000 unit volume
Subscription Agreements [Member]
Subsidiary or Equity Method Investee [Line Items]
Common stock, shares issued | shares	7,360,460
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.0001
Share Price | $ / shares	$ 0.9
Proceeds from sale of common stock	$ 21,400
Standby Equity Purchase Agreement [Member]
Subsidiary or Equity Method Investee [Line Items]
Share Price | $ / shares	$ 10,000
Percentage of Dividend payble per Annum	7.00%
Preferred Stock Liquidating Preference | $ / shares	$ 12,000
Convertible Preferred Stock, Nonredeemable or Redeemable, Issuer Option, Value	$ 10,000
Common stock applicable conversion price	250.00%
Facility Fee		$ 2,500
Administrative fee		300
Origination Fee		600
Reasonable fees and expenses of the investor and its counsel		$ 400
Standby Equity Purchase Agreement [Member] | Series A 1
Subsidiary or Equity Method Investee [Line Items]
Warrants Issued | shares				3,000,000
Standby Equity Purchase Agreement [Member] | Maximum [Member]
Subsidiary or Equity Method Investee [Line Items]
Debt Instrument Convertible Threshold Trading Days | Days	30
Standby Equity Purchase Agreement [Member] | Minimum [Member]
Subsidiary or Equity Method Investee [Line Items]
Debt Instrument Convertible Threshold Trading Days | Days	20
Standby Equity Purchase Agreement [Member] | Preferred Stock
Subsidiary or Equity Method Investee [Line Items]
Total preferred facility	$ 125,000
Standby Equity Purchase Agreement [Member] | Preferred Stock | Maximum [Member]
Subsidiary or Equity Method Investee [Line Items]
Number Of Shares Of Preferred Stock, With An Aggregate Value	50,000
Standby Equity Purchase Agreement [Member] | Preferred Stock | Minimum [Member]
Subsidiary or Equity Method Investee [Line Items]
Number Of Shares Of Preferred Stock, With An Aggregate Value	$ 25,000
Standby Equity Purchase Agreement [Member] | Common Stock warrants
Subsidiary or Equity Method Investee [Line Items]
Percentage of common stock beneficially owned by investor	19.90%
Standby Equity Purchase Agreement [Member] | Common Stock warrants | Series A 1
Subsidiary or Equity Method Investee [Line Items]
Percentage Of Common Stock Outstanding		19.90%
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				$ 5
Number of warrants outstanding | Warrants | Warrants		3,000,000