Consolidated Statements of Shareholders' Equity (Unaudited) (USD $)	Preferred Stock Series A Convertible Preferred Stock	Common Stock	Accumulated Deficit	Total
Balance at Jun. 30, 2012	$ 3,138,056	$ 220,513,327	$ (201,996,361)	$ 21,655,022
Balance (in shares) at Jun. 30, 2012	442,968	32,510,069
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of 96,086 warrants at $1.13 resulting in issuance of common stock		108,577		108,577
Exercise of 96,086 warrants at $1.13 resulting in issuance of common stock (in shares)		96,086
Cashless exercise of 36,186 warrants resulting in issuance of common stock
Cashless exercise of 36,186 warrants resulting in issuance of common stock (in shares)		17,094
Warrants issued in conjunction with Line of Credit Amendment		55,962		55,962
Warrants issued in conjunction with Line of Credit Amendment (in shares)
Issuance of fully-vested shares of common stock to employees and directors and vesting of shares under the 2010 Stock Incentive Plan		65,058		65,058
Issuance of fully-vested shares of common stock to employees and directors and vesting of shares under the 2010 Stock Incentive Plan (in shares)		12,441
Issuance of fully-vested shares of common stock to employees and directors and vesting of shares under the 2011 Stock Incentive Plan		140,392		140,392
Issuance of fully-vested shares of common stock to employees and directors and vesting of shares under the 2011 Stock Incentive Plan (in shares)		89,165
Issuance of fully-vested shares of common stock to employees and directors and vesting of shares under the 2012 Stock Incentive Plan		163,783		163,783
Issuance of fully-vested shares of common stock to employees and directors and vesting of shares under the 2012 Stock Incentive Plan (In shares)		218,694
Retirement of common stock		(121,052)		(121,052)
Retirement of common stock (in shares)		(64,847)
Net loss			(823,044)	(823,044)
Balance at Mar. 31, 2013	$ 3,138,056	$ 220,926,047	$ (202,819,405)	$ 21,244,698
Balance (in shares) at Mar. 31, 2013	442,968	32,878,702