CONVERTIBLE SENIOR NOTES (Details) (USD $)	1 Months Ended		3 Months Ended				6 Months Ended		12 Months Ended
	Jul. 31, 2012 holder	Feb. 29, 2012 holder	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2011	Jun. 30, 2012 holder	Jun. 30, 2011	Dec. 31, 2011
Convertible senior notes
Fair value adjustment				$ (15,953)		$ 1,753,000	$ 3,194,385	$ 2,392,000
2013 Notes
Convertible senior notes
Interest rate (as a percent)	3.125%			3.125%			3.125%
Principal amount	8,277,850			11,782,000			11,782,000		20,782,000
Number of shares issued in exchange for cancellation	1,784,070	1,868,055					1,868,054
Accrued and unpaid interest payable on cancellation of debt	20,686
Number of holders of debt instrument to whom shares are issued by the entity	2	1					1
Principal amount of debt cancelled	3,504,150	9,000,000					9,000,000
Number of shares of common stock receivable upon conversion							370,871
Conversion price (in dollars per share)				$ 22.32			$ 22.32
Recorded fair value				10,477,635			10,477,635		17,336,760
Amount of difference between aggregate recorded fair value of the notes and their total stated principal amount				1,304,365			1,304,365		3,445,240
Fair value adjustment				15,953	(2,545,530)	(1,753,000)	(3,194,385)	(2,392,000)
Fair value adjustment attributable to the change in instrument specific credit risk							(22,000)	415,000
Additional non-cash fair value adjustment attributable to conversion of debt			$ (611,621)
Assumptions to establish the value of the Notes
Average risk-free rate (as a percent)							0.19%		0.19%
Volatility of BioSante common stock (as a percent)							86.60%		77.40%
Discount rate for principal payments in cash (as a percent)							18.80%		18.50%