Transactions with Affiliates (Details)	1 Months Ended				12 Months Ended							12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended						12 Months Ended						12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended			12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended					12 Months Ended				12 Months Ended
	Feb. 29, 2012 EUR (€)	Dec. 31, 2011 EUR (€)	Sep. 30, 2011 EUR (€)	Sep. 30, 2010 EUR (€)	Dec. 31, 2012 USD ($)	Mar. 25, 2013 EUR (€)	Jan. 16, 2013 EUR (€)	Dec. 31, 2012 EUR (€)		Sep. 30, 2010 USD ($)	Mar. 31, 2009 USD ($)	Dec. 31, 2012 Round Enterprises Ltd. August 2011 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd. August 2011 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd. August 2011 Note [Member]	Dec. 31, 2012 Eardley Holding A.G. August 2011 Note [Member] USD ($)		Dec. 31, 2012 Eardley Holding A.G. August 2011 Note [Member] EUR (€)		Dec. 31, 2002 Eardley Holding A.G. August 2011 Note [Member]	Dec. 31, 2012 Round Enterprises Ltd. November 2011 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd. November 2011 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd. November 2011 Note [Member]	Dec. 31, 2012 Eardley Holding A.G. November 2011 Note [Member] USD ($)		Dec. 31, 2012 Eardley Holding A.G. November 2011 Note [Member] EUR (€)		Dec. 31, 2002 Eardley Holding A.G. November 2011 Note [Member]	Dec. 31, 2012 Eardley Holding A.G. 2006 Note [Member] USD ($)		Dec. 31, 2012 Eardley Holding A.G. 2006 Note [Member] EUR (€)		Dec. 31, 2002 Eardley Holding A.G. 2006 Note [Member]		Dec. 31, 2012 Anglo Irish Bank S.A. [Member] USD ($)		Dec. 31, 2012 Anglo Irish Bank S.A. [Member] EUR (€)		Dec. 31, 2002 Anglo Irish Bank S.A. [Member]		Dec. 31, 2012 Round Enterprises Ltd November 2012 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd November 2012 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd November 2012 Note [Member]	Dec. 31, 2012 Eardley Holding A.G. June 2012 Note [Member] USD ($)		Dec. 31, 2012 Eardley Holding A.G. June 2012 Note [Member] EUR (€)		Dec. 31, 2002 Eardley Holding A.G. June 2012 Note [Member]	Dec. 31, 2012 Round Enterprises Ltd. 2007 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd. 2007 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd. 2007 Note [Member]	Dec. 31, 2012 Round Enterprises Ltd. January 2008 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd. January 2008 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd. January 2008 Note [Member]	Dec. 31, 2012 Eardley Holding A.G. March 2012 Note [Member] USD ($)		Dec. 31, 2012 Eardley Holding A.G. March 2012 Note [Member] EUR (€)		Dec. 31, 2002 Eardley Holding A.G. March 2012 Note [Member]	Dec. 31, 2012 Round Enterprises Ltd. April 2008 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd. April 2008 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd. April 2008 Note [Member]	Dec. 31, 2012 Round Enterprises Ltd March 2012 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd March 2012 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd March 2012 Note [Member]	Dec. 31, 2012 Round Enterprises Ltd. June 2008 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd. June 2008 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd. June 2008 Note [Member]	Dec. 31, 2012 Eardley Holding A.G. April 2012 Note [Member] USD ($)		Dec. 31, 2012 Eardley Holding A.G. April 2012 Note [Member] EUR (€)		Dec. 31, 2002 Eardley Holding A.G. April 2012 Note [Member]	Dec. 31, 2012 Eardley Holding A.G. April 2012 Note 2 [Member] USD ($)		Dec. 31, 2012 Eardley Holding A.G. April 2012 Note 2 [Member] EUR (€)		Dec. 31, 2002 Eardley Holding A.G. April 2012 Note 2 [Member]	Dec. 31, 2012 Round Enterprises Ltd. November 2008 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd. November 2008 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd. November 2008 Note [Member]	Dec. 31, 2012 Round Enterprises Ltd. April 2012 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd. April 2012 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd. April 2012 Note [Member]	Dec. 31, 2012 Round Enterprises Ltd. February 2009 Note [Member] USD ($)	Dec. 31, 2012 Round Enterprises Ltd. February 2009 Note [Member] EUR (€)	Dec. 31, 2002 Round Enterprises Ltd. February 2009 Note [Member]	Dec. 31, 2012 Round Enterprises Ltd. June 2009 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd. June 2009 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd. June 2009 Note [Member]	Dec. 31, 2012 Eardley Holding A.G. 2009 Note [Member] USD ($)		Dec. 31, 2012 Eardley Holding A.G. 2009 Note [Member] EUR (€)		Dec. 31, 2002 Eardley Holding A.G. 2009 Note [Member]	Dec. 31, 2012 Von Meyenburg Note [Member] USD ($)		Dec. 31, 2012 Von Meyenburg Note [Member] EUR (€)		Dec. 31, 2002 Von Meyenburg Note [Member]	Dec. 31, 2012 Round Enterprises Ltd. October 2009 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd. October 2009 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd. October 2009 Note [Member]	Dec. 31, 2012 Round Enterprises December 2009 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises December 2009 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises December 2009 Note [Member]	Dec. 31, 2012 Eardley Holding A.G. September 2012 Note [Member] USD ($)		Dec. 31, 2012 Eardley Holding A.G. September 2012 Note [Member] EUR (€)		Dec. 31, 2002 Eardley Holding A.G. September 2012 Note [Member]	Dec. 31, 2012 Round Enterprises Ltd September 2012 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd September 2012 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd September 2012 Note [Member]	Dec. 31, 2012 Round Enterprises Ltd October 2012 Note [Member] USD ($)		Dec. 31, 2012 Round Enterprises Ltd October 2012 Note [Member] EUR (€)		Dec. 31, 2002 Round Enterprises Ltd October 2012 Note [Member]	Dec. 31, 2012 Director [Member] EUR (€)	Dec. 31, 2011 Director [Member] EUR (€)	Dec. 31, 2012 Major Shareholders [Member] EUR (€)	Dec. 31, 2012 Major Shareholders [Member] USD ($)	Dec. 31, 2012 Norwood [Member] USD ($)		Dec. 31, 2012 Norwood [Member] EUR (€)		Dec. 31, 2002 Norwood [Member]
Related Party Transaction [Line Items]
Fees paid to related party																																																																																																																																																			€ 52,000	€ 64,000
Number of major shareholders																																																																																																																																																					2
Notes payable, related parties																																																																																																																																																					32,223,000
Number of short term loans converted																																																																																																																																																					1
Short term convertible loans converted	1,165,000	1,160,000	2,318,000	5,988,000																																																																																																																																																	1,165,000
Details of notes and other loans and contingent liabilities [Abstract]
1st-Issue Date																Aug. 04, 2011					Aug. 04, 2011					Nov. 08, 2011					Nov. 18, 2011					Jun. 23, 2006	[1]					Oct. 21, 2007	[2]					Nov. 14, 2012					Jun. 12, 2012					Dec. 10, 2007					Jan. 22, 2008					Sep. 03, 2012					Apr. 25, 2008					Sep. 03, 2012					Jun. 30, 2008					Feb. 14, 2012					May 04, 2012					Nov. 18, 2008					May 04, 2012			Feb. 09, 2009					Jun. 15, 2009					Jun. 15, 2009					Aug. 03, 2009					Oct. 13, 2009					Dec. 18, 2009					Apr. 19, 2012					Apr. 19, 2012					Feb. 10, 2012									Apr. 03, 2009
Total Short Term Principal Amounts								27,058,000						910,000					227,000					400,000					100,000					144,000	[1]					500,000	[2]					500,000					125,000					1,500,000					1,500,000					50,000					2,000,000					200,000					1,500,000					200,000					120,000					1,200,000					480,000				1,500,000				5,500,000					100,000					200,000					2,000,000					2,200,000					81,000					321,000					1,000,000									2,500,000
Duration													[3]		[3]			[3]		[3]			[3]		[3]			[3]		[3]			[1],[3]		[1],[3]				[2],[3]		[2],[3]				[3]		[3]			[3]		[3]			[3]		[3]			[3]		[3]			[3]		[3]			[3]		[3]			[3]		[3]			[3]		[3]			[3]		[3]			[3]		[3]			[3]		[3]			[3]		[3]						[3],[4]		[3],[4]			[3],[4]		[3],[4]			[3]		[3]			[3]		[3]			[3]		[3]			[3]		[3]			[3]		[3]			[3]		[3]							[3],[5]		[3],[5]
Interest Rate (in hundredths)						10.00%	10.00%				5.00%	10.00%		10.00%			10.00%		10.00%			10.00%		10.00%			10.00%		10.00%			10.00%	[1]	10.00%	[1]			10.00%	[2]	10.00%	[2]			10.00%		10.00%			10.00%		10.00%			10.00%		10.00%			10.00%		10.00%			10.00%		10.00%			10.00%		10.00%			10.00%		10.00%			10.00%		10.00%			10.00%		10.00%			10.00%		10.00%			10.00%		10.00%			10.00%		10.00%			10.00%	10.00%		10.00%		10.00%			10.00%		10.00%			10.00%		10.00%			5.00%		5.00%			5.00%		5.00%			10.00%		10.00%			10.00%		10.00%			10.00%		10.00%							10.00%		10.00%
Conversion Price (in dollars per share)										$ 0.80	$ 0.50		[6]					[6]					[6]					[6]				$ 0.10	[1]					$ 0.50	[2]						[6]					[6]				$ 0.50					$ 0.50						[6]				$ 0.50						[6]				$ 0.50						[6]					[6]				$ 0.50						[6]				$ 0.50			$ 0.80					$ 0.80					$ 0.80					$ 0.25					$ 0.25						[6]					[6]					[6]							$ 0.08	$ 0	[6]
Fixed EUR/USD Rate Conversion																																						1.4090	[2]	1.4090	[2]													1.4429		1.4429			1.4629		1.4629								1.5889		1.5889								1.5380		1.5380													1.2650		1.2650								1.2940	1.2940		1.4045		1.4045			1.4300		1.4300			1.4400		1.4400			1.4854		1.4854			1.4338		1.4338																					1.326
Accrued Interest								7,665,000
Total Long Term Convertible Notes to Related Parties								34,723,000
Contingent Liability to Norwood								6,533,000	[7]
TOTAL LOANS, NOTES AND CONTINGENT LIABILITY								41,256,000
Face amount of debt instrument						400,000	300,000																									190,000
Percentage of assets securing loan (in hundredths)					66.00%
Percentage of common stock securing note (in hundredths)					33.00%
Investment in Company conversion feature is contingent on					20,000
Percentage of price per share of common stock (in hundredths)					10.00%
Required Future Payments on Long-term Debt [Abstract]
2013		5,711,000						34,723,000
Contingent liability to Norwood (milestones and royalties)								6,533,000	[7]
TOTAL LOANS, NOTES AND CONTINGENT LIABILITY								€ 41,256,000

[1] Private investment company of Dr. Thomas Staehelin, member of the Board of Directors and of the Audit Committee of the Company. Face value is stated in U.S. dollars at $190.

[2] Renamed Hyposwiss Private Bank Geneve S.A. and acting on behalf of Round Enterprises Ltd. which is a major shareholder.

[3] The later of March 31, 2013 or the end of a subsequent calendar quarter in which Mymetics receives a written request from holder of the note for repayment of the unpaid principal and accrued interest due under the loan. The loan is secured against IP assets of Mymetics Corporation.

[4] The loan is secured against 2/3rds of the IP assets of Bestewil Holding BV.

[5] Under the terms of the acquisition of Bestewil BV, as part of the consideration, the Company issued to Norwood Immunology Limited ("NIL") a convertible redeemable note (the "Note") in the principal amount of E2,500 with a maturity date of March 31st, 2013 and bearing interest at 10% per annum. The note is secured against 1/3rd of Bestewil common stock.

[6] The conversion feature is contingent on an investment in the Company of not less than $20,000. The conversion price is determined by reducing by 10% the price per share of the Company's common stock paid by the investors in connection with such an investment.

[7] Under the terms of the acquisition of Bestewil BV, as part of the consideration, the Company is committed to make further payments to NIL in the event that certain stated milestones for the development of vaccines are achieved. These have been considered on a risk probability basis.