Note 1 - Calculation fo Basic and Diluted Earnings Per Share (Details) - shares	3 Months Ended
	Sep. 30, 2015		Sep. 30, 2014
Convertible Debt Securities [Member]
Anti-dilutive securities (in shares)	8,088,235
Warrant, Initial Close [Member]
Anti-dilutive securities (in shares)	12,536,764	[1]
Warrant, Second Close [Member]
Anti-dilutive securities (in shares)	21,654,412	[2]
Warrant, Other [Member]
Anti-dilutive securities (in shares)	5,052,400		5,113,420
Employee Stock Option [Member]
Anti-dilutive securities (in shares)	3,361,317		2,249,785
Restricted Stock Units (RSUs) [Member]
Anti-dilutive securities (in shares)	1,375,201		703,800
Anti-dilutive securities (in shares)	52,068,329		8,067,005

[1] The initial close warrants became exercisable on October 30, 2015, the date stockholder approval was received.

[2] The second close warrants are subject to vesting based upon the amount of funds actually received by the Company in the second close.