Financing transaction (Additional Information) (Details)		12 Months Ended
	Nov. 08, 2023 USD ($) Segment $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 $ / shares shares	Mar. 12, 2021 $ / shares
Subsidiary or Equity Method Investee [Line Items]
Common stock, shares issued | shares		261,945,000	218,748,000
Common Stock, Par or Stated Value Per Share | $ / shares		$ 0.0001	$ 0.0001
Trading price of the Common Stock	$ 3,000
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
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				$ 0
Maximum
Subsidiary or Equity Method Investee [Line Items]
Debt Instrument Convertible Threshold Trading Days | Segment	30
Minimum
Subsidiary or Equity Method Investee [Line Items]
Debt Instrument Convertible Threshold Trading Days | Segment	20
Subscription Agreements [Member]
Subsidiary or Equity Method Investee [Line Items]
Common stock, shares issued | shares	36,802,299
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.0001
Share Price | $ / shares	$ 0.58
Proceeds from sale of common stock	$ 21,400,000
Standby Equity Purchase Agreement [Member]
Subsidiary or Equity Method Investee [Line Items]
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
Closing price of the Common Stock exceeds | $ / shares		$ 250
Facility Fee		$ 2,500,000
Administrative fee		300,000
Origination Fee		600,000
Reasonable fees and expenses of the investor and its counsel		$ 400,000
Standby Equity Purchase Agreement [Member] | Series A 1
Subsidiary or Equity Method Investee [Line Items]
Warrants Issued | shares		15,000,000
Standby Equity Purchase Agreement [Member] | Maximum
Subsidiary or Equity Method Investee [Line Items]
Debt Instrument Convertible Threshold Trading Days | Segment	30
Standby Equity Purchase Agreement [Member] | Minimum
Subsidiary or Equity Method Investee [Line Items]
Debt Instrument Convertible Threshold Trading Days | Segment	20
Standby Equity Purchase Agreement [Member] | Preferred Stock
Subsidiary or Equity Method Investee [Line Items]
Total preferred facility	$ 125,000,000
Preferred stock, par value | $ / shares	$ 10,000
Standby Equity Purchase Agreement [Member] | Preferred Stock | Maximum
Subsidiary or Equity Method Investee [Line Items]
Number Of Shares Of Preferred Stock, With An Aggregate Value	$ 50,000,000
Standby Equity Purchase Agreement [Member] | Preferred Stock | Minimum
Subsidiary or Equity Method Investee [Line Items]
Number Of Shares Of Preferred Stock, With An Aggregate Value	$ 25,000,000
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]
Price per share | $ / shares		$ 1
Percentage Of Common Stock Outstanding		19.90%
Warrants Outstanding		$ 15,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares		$ 1