Note 10 - Preferred Stock (Detail) (USD $)	3 Months Ended
	Sep. 30, 2012
Series D Preferred Stock [Member]
Preferred Stock, Shares Outstanding	384,495
Preferred Stock, Redemption Price Per Share (in Dollars per share)	$ 0.30
Preferred Stock, Dividend Rate, Percentage	10.00%
Convertible Preferred Stock, Shares Issued upon Conversion	2
Preferred Stock, Liquidation Preference Per Share (in Dollars per share)	$ 0.60
Series E Preferred Stock [Member]
Preferred Stock, Shares Outstanding	862
Preferred Stock, Redemption Price Per Share (in Dollars per share)	$ 0.65
Preferred Stock, Dividend Rate, Percentage	10.00%
Convertible Preferred Stock, Shares Issued upon Conversion	1,538.5
Preferred Stock, Liquidation Preference Per Share (in Dollars per share)	$ 0.65