Consolidated Statements of Shareholders' Equity (Parentheticals) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Statement Of Stockholders Equity [Abstract]
Issuance of common stock per share, less issuance costs			$ 0.90
Issuance cost of common stock			$ 230,087
Issuance of common stock per share, less issuance costs			$ 2.064
Issuance cost of common stock			838,705
Fair value of warrants issued			1,917,122
Number of warrants exercised	382,503	4,550	376,355
Exercise price of warrants	$ 1.13	$ 2.20	$ 2.20
Exercise of warrants at $1.13 in the issuance of common stock			497,367
Par value exercise of 497,367 warrants			$ 1.13
Cashless exercise of warrants in issuance of common stock	36,186	2,767	127,497
Conversion of preferred stock into common stock			$ 33,000