Summary of Significant Accounting Policies (Details 2) (USD $)	Jun. 30, 2014		Jun. 30, 2013		Mar. 31, 2013
Loss per Common Share
Series A preferred stock issued and outstanding	15,000,000	[1]	15,000,000
Warrant shares issuable to Platinum upon exercise of common stock warrants by Platinum upon exchange of Series A preferred stock under the terms of the October 11, 2012 Note Purchase and Exchange Agreement	7,500,000		7,500,000
Outstanding options under the 2008 and 1999 Stock Incentive Plans	4,227,357		4,816,771
Outstanding warrants to purchase common stock	18,981,490		11,031,029
Convertible promissory notes and accrued interest	$ 1,347,900				$ 396,000
Total	57,250,541		45,296,641
AntidilutiveNotes1 [Member]
Loss per Common Share
Convertible promissory notes and accrued interest	7,687,039	[2]	6,948,841	[2]
AntidilutiveNotes2 [Member]
Loss per Common Share
Convertible promissory notes and accrued interest	549,157
AntidilutiveNotes3 [Member]
Loss per Common Share
Convertible promissory notes and accrued interest	$ 5,169,441

[1] Assumes exchange under the terms of the October 11, 2012 Note Exchange and Purchase Agreement with Platinum

[2] Assumes conversion under the terms of the October 11, 2012 Note Exchange and Purchase Agreement with Platinum and the terms of the individual notes