Subsequent Events (Details Textual) (USD $)	1 Months Ended		6 Months Ended
	Jul. 31, 2012	Jan. 31, 2012	Jun. 30, 2012
Subsequent Events (Additional Textual) [Abstract]
Borrowings from Robert Gipson	$ 150,000
Interest rate stated in the contractual debt agreement			7.00%
Non-refundable sum in exchange for exclusive option to license		500,000
Sublicense execution payment		(175,000)
Contingent milestone payments, maximum		2,900,000
Contingent milestone payments occur at the time of product registration or upon commercial sales		2,500,000
Maximum effective declaration period		90 days
Convertible Note Purchase Agreement to receive repayment of a total	16,000,000
Convertible Note Purchase Agreement at a rate	8.00%
Prospective Repayment Of Debt Pursuant To Waiver Of Right To Receive Percentage of Altropane Product Sale			$ 5,827,587
Navb Stock [Member]
Subsequent Events (Textual) [Abstract]
Shares Received Against Execution Of Sublicense Granted		300,000
Navidea stock [Member]
Subsequent Events (Textual) [Abstract]
Issuance common shares of Navidea stock maximum		1,150,000
Issuance common shares of Navidea stock occur at the time of product registration or upon commercial sales		950,000