Note 6 - Preferred Stock (Detail) - Preferred Stock Included in Equity: (Parentheticals) (USD $)	Jun. 30, 2012 Series D Preferred Stock [Member]	Jun. 30, 2011 Series D Preferred Stock [Member]	Dec. 31, 2004 Series D Preferred Stock [Member]	Jun. 30, 2012 Series E Preferred Stock [Member]	Jun. 30, 2011 Series E Preferred Stock [Member]	Jul. 31, 2005 Series E Preferred Stock [Member]
Convertible Preferred Stock, par value (in Dollars per share)	$ 0.01	$ 0.01		$ 0.01	$ 0.01
Convertible Preferred Stock, shares authorized (in Shares)	1,297,537	1,297,537		3,000	3,000
Convertible Preferred Stock, shares issued (in Shares)	1,297,537	1,297,537	813,050	1,191	1,191	1,191
Convertible Preferred Stock, shares outstanding (in Shares)	384,495	1,089,213		862	937
Convertible Preferred Stock, aggregate liquidation preference (in Dollars)	$ 231,000	$ 654,000		$ 862,000	$ 937,000