Subsequent Events (Details Narrative) $ / shares in Units, € in Thousands, $ in Thousands		1 Months Ended	9 Months Ended
	Oct. 11, 2023	Oct. 16, 2023 $ / shares	Sep. 30, 2023	Oct. 15, 2023 EUR (€)	May 30, 2023 EUR (€)	Feb. 28, 2023 EUR (€)	Dec. 31, 2022 EUR (€)	Aug. 15, 2022 EUR (€)	Apr. 30, 2022 EUR (€)	Apr. 30, 2022 USD ($)	Aug. 15, 2021 EUR (€)	Dec. 15, 2020 EUR (€)	Jun. 15, 2020 EUR (€)	Dec. 20, 2019 EUR (€)	Jun. 15, 2019 EUR (€)	Jun. 01, 2018	Mar. 01, 2017 EUR (€)
Description of conversion price			(i) reducing by 10% the price per share of the Company’s common stock paid by the investors in connection with an investment in the Company of not less than US$20,000, or (ii) at the fixed conversion price using a fixed exchange rate which are noted in the table above
Promissory Notes				€ 600	€ 600	€ 500	€ 250	€ 600	€ 960		€ 1,200	€ 850	€ 1,100	€ 600	€ 600
Interest rate			1.50%		2.50%	2.50%	2.50%	2.50%	2.50%	2.50%	2.50%	2.50%	2.50%	2.50%	2.50%	2.50%	2.50%
Subsequent Event [Member]
Description of closing bid Price fallen down		the Company’s closing bid price per share falls below $0.001 at any time for five consecutive trading days, the Company will be removed from OTCQB as per Section 4.1(b) of the OTCQB Standards. On October 23, 2023, the Company was informed that it has been moved from the OTCQB to the OTC Pink on October 24, 2023, as its closing bid price per share has fallen below $0.001 for more than 5 consecutive trading days
Bid price | $ / shares		$ 0.001
Description of conversion price	stockholders owning fewer than 2,000 shares of Mymetics Common Stock will receive cash in the amount of $0.0023 per share of existing Common Stock, and Mymetics stockholders who own 2,000 or more shares of existing Common Stock on the Effective Date will receive (i) one share of new Common Stock for every 2,000 shares of existing Common Stock held on the Effective Date and (ii) cash in lieu of any fractional share of new Common Stock that such holder would otherwise be entitled to receive on the basis of $0.0023 per share of existing Common Stock
Interest rate				2.50%
Promissory Notes One
Promissory Notes				€ 480						$ 240							€ 1,840
Promissory Notes Two
Promissory Notes				€ 120													€ 460