Note 6 - Preferred Stock (Detail) (USD $)				1 Months Ended	12 Months Ended			1 Months Ended	12 Months Ended		12 Months Ended
	Dec. 31, 2004 Warrants Granted In Connection With the Issuance of Series D Shares [Member]	Jul. 31, 2005 Warrants Granted in Connection with the Issuance of Series E Convertible Preferred Stock [Member]	Jun. 30, 2003 Series C Preferred Stock [Member]	Dec. 31, 2003 Series C Convertible Preferred Stock Converted Into Series D Convertible Preferred Stock [Member]	Jun. 30, 2012 Series D Preferred Stock [Member]	Dec. 31, 2004 Series D Preferred Stock [Member]	Jun. 30, 2011 Series D Preferred Stock [Member]	Jul. 31, 2005 Series E Preferred Stock [Member]	Jun. 30, 2012 Series E Preferred Stock [Member]	Jun. 30, 2011 Series E Preferred Stock [Member]	Dec. 31, 2004 Decrease in Notes Payable to Related Party in Exchange for Issuance of Series D Convertible Preferred Stock [Member]
Preferred Stock, Shares Outstanding			172,008		384,495		1,089,213		862	937
Stock Issued During Period, Shares, Conversion of Convertible Securities				484,487
Preferred Stock, Shares Issued					1,297,537	813,050	1,297,537	1,191	1,191	1,191
Proceeds from Issuance of Convertible Preferred Stock (in Dollars)						$ 330,000		$ 1,191,000
Increase (Decrease) in Notes Payable, Related Parties (in Dollars)											$ 98,000
Warrants Issued	1,730,043	366,475
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)	0.45	0.65
Preferred Stock, Redemption Price Per Share (in Dollars per share)					$ 0.30				$ 0.65
Preferred Stock, Dividend Rate, Percentage					10.00%				10.00%
Convertible Preferred Stock, Shares Issued upon Conversion					2				1,538.5
Preferred Stock, Liquidation Preference Per Share (in Dollars per share)					$ 0.60				$ 0.65
Class of Warrant or Right, Number of Securities Called by Warrants or Rights									307.7