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Notes Payable (Details 1)							1 Months Ended				3 Months Ended				6 Months Ended
Notes Payable (Details 1)	May 22, 2024 USD ($)	Apr. 29, 2024 USD ($)	Sep. 08, 2023 USD ($)	Aug. 07, 2023 USD ($)	Aug. 03, 2021 EUR (€)	Jul. 13, 2021 EUR (€)	Dec. 31, 2022 EUR (€)	Oct. 31, 2021 EUR (€)	Jan. 31, 2021 EUR (€)	Nov. 30, 2020 EUR (€)	Jun. 30, 2024 USD ($)	Jun. 30, 2024 EUR (€)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 EUR (€)	Jun. 30, 2024 USD ($)	Jun. 30, 2024 EUR (€)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 EUR (€)	Jun. 30, 2024 EUR (€)	Feb. 07, 2024 USD ($)	Jan. 19, 2024 USD ($)	Jan. 12, 2024 USD ($)	Dec. 11, 2023 USD ($)	Oct. 01, 2021 EUR (€)
Debt Instrument [Line Items]
Gain on Lease Termination	$ 2,100,000														$ (2,856,000)		$ 21,000
Lease partial termination fee	$ 1,000,000
Prt Garanti par ltat Loan [Member]
Debt Instrument [Line Items]
Current portion of long term debt											$ 1,900,000				1,900,000				€ 1,700,000
Non current portion of long term debt											3,400,000				3,400,000				€ 3,100,000
Interest expense											$ 8,700	€ 8,100	$ 12,000	€ 11,000	$ 18,200	€ 17,000	$ 32,000	€ 30,000
Green St. Lease Promissory Note [Member]
Debt Instrument [Line Items]
Lease termination date	June 1, 2024
Lease partial termination fee	$ 1,100,000
Debt instrument maturity date	May 22, 2026
Interest rate per month	6.00%
Mudrick Bridge Note [Member]
Debt Instrument [Line Items]
Debt instrument face value				$ 3,000,000
Debt instrument maturity date				Sep. 07, 2023
Interest rate per month				15.00%
Principal repayment premium percentage				100.00%
Mudrick Super Priority Note [Member]
Debt Instrument [Line Items]
Debt instrument face value			$ 15,040,685
Debt instrument maturity date			Aug. 07, 2024
Interest rate per month			15.00%
Debt instrument additional interest rate to be paid in case of default			2.00%
Mudrick Super Priority Note [Member] \| Amended and Restated Note [Member]
Debt Instrument [Line Items]
Debt instrument face value																							$ 18,635,500
Interest rate per month																							15.00%
Original principal amount																							$ 594,815
Accrued interest																							15,040,685
Additional principal amount																							$ 3,000,000
Amended and Restated Super Priority Secured Promissory Note [Member]
Debt Instrument [Line Items]
Debt instrument face value		$ 61,677,504																		$ 40,303,393	$ 23,941,032	$ 20,880,922
Debt instrument maturity date		Aug. 07, 2026
Interest rate per month		15.00%
Original principal amount		$ 40,303,393																		23,941,032	20,880,922	18,635,500
Accrued interest		1,374,111																		189,940	60,110	245,422
Additional principal amount		$ 20,000,000																		$ 16,172,421	$ 3,000,000	$ 2,000,000
Maximum increase in interest rate of the event		2.00%
Percentage of principal and accrued interest		108.00%
Covid Nineteen [Member] \| Prt Garanti par ltat Loan [Member]
Debt Instrument [Line Items]
Debt instrument face value \| €										€ 4,500,000
Covid Nineteen [Member] \| Prt Garanti par ltat Loan [Member] \| Amendement One To The Loan Agreement [Member]
Debt Instrument [Line Items]
Additional guarantee commission loan expense to french government \| €							€ 51,000
Covid Nineteen [Member] \| Prt Garanti par ltat Loan [Member] \| Tranche One [Member]
Debt Instrument [Line Items]
Debt instrument face value \| €										3,000,000
Covid Nineteen [Member] \| Prt Garanti par ltat Loan [Member] \| Tranche One [Member] \| Amendement One To The Loan Agreement [Member]
Debt Instrument [Line Items]
Debt instrument face value \| €						€ 3,000,000	3,000,000			3,000,000
Long term debt month of maturity commencement						2021-11
Long term debt month of maturity end						2022-11
Covid Nineteen [Member] \| Prt Garanti par ltat Loan [Member] \| Tranche One [Member] \| Amendement One To The Loan Agreement [Member] \| SubTranche One [Member]
Debt Instrument [Line Items]
Debt instrument face value \| €					€ 600,000
Long term debt month of maturity commencement					2022-12
Long term debt month of maturity end					2026-11
Debt instrument monthly payment of principal \| €					€ 12,000
Long Term Debt Additional Fixed Interest Rate					0.70%
Covid Nineteen [Member] \| Prt Garanti par ltat Loan [Member] \| Tranche One [Member] \| Amendement One To The Loan Agreement [Member] \| Sub Tranche Two [Member]
Debt Instrument [Line Items]
Debt instrument face value \| €																								€ 2,400,000
Long term debt month of maturity commencement								2022-11
Long term debt month of maturity end								2026-11
Debt instrument monthly payment of principal \| €								€ 49,000
Debt instrument additional effective rate of interest								1.44%
Covid Nineteen [Member] \| Prt Garanti par ltat Loan [Member] \| Tranche Two [Member]
Debt Instrument [Line Items]
Debt instrument face value \| €										€ 1,500,000
Long term debt bearing fixed interest rate										2.25%
Debt Instrument, Annual Principal Payment \| €										€ 300,000
Long term debt month of maturity commencement									2021-09	2021-09
Long term debt month of maturity end									2026-06	2025-09
Covid Nineteen [Member] \| Prt Garanti par ltat Loan [Member] \| Tranche Two [Member] \| Amendement One To The Loan Agreement [Member]
Debt Instrument [Line Items]
Debt instrument face value \| €							€ 75,000		€ 1,500,000
Maximum [Member] \| Covid Nineteen [Member] \| Prt Garanti par ltat Loan [Member]
Debt Instrument [Line Items]
Long term debt period of maturity							6 years