Note 4 - Preferred Stock (Details Textual)	1 Months Ended	12 Months Ended
	Jul. 31, 2005 USD ($) shares	Jun. 30, 2015 $ / shares shares	Dec. 31, 2004 USD ($) shares	Jun. 30, 2014 shares
Series D Preferred Stock [Member]
Preferred Stock, Shares Issued		1,297,537	813,050	1,297,537
Proceeds from Issuance of Convertible Preferred Stock | $			$ 330,000
Increase (Decrease) in Notes Payable, Related Parties | $			$ 98,000
Preferred Stock, Shares Outstanding		342,829		384,495
Preferred Stock, Redemption Price Per Share | $ / shares		$ 0.30
Number of Votes		1
Preferred Stock, Dividend Rate, Percentage		10.00%
Convertible Preferred Stock Period Preeding Conversion		120 days
Convertible Preferred Stock Price Trigger | $ / shares		$ 2.25
Convertible Preferred Stock Threshold Consecutive Trading Days		60 days
Convertible Preferred Stock, Shares Issued upon Conversion		2
Preferred Stock, Liquidation Preference Per Share | $ / shares		$ 0.60
Series E Preferred Stock [Member]
Preferred Stock, Shares Issued	1,191	1,191		1,191
Proceeds from Issuance of Convertible Preferred Stock | $	$ 1,191,000
Preferred Stock, Shares Outstanding		632		862
Preferred Stock, Redemption Price Per Share | $ / shares		$ 0.65
Number of Votes		1
Preferred Stock, Dividend Rate, Percentage		10.00%
Convertible Preferred Stock Period Preeding Conversion		120 days
Convertible Preferred Stock Price Trigger | $ / shares		$ 2.25
Convertible Preferred Stock Threshold Consecutive Trading Days		60 days
Convertible Preferred Stock, Shares Issued upon Conversion		1,538
Preferred Stock, Liquidation Preference Per Share | $ / shares		$ 0.65
Preferred Stock, Shares Issued		1,298,728		1,298,728
Preferred Stock, Shares Outstanding		343,461		385,357