Note 9 - Treasury Stock (Details) (USD $)	1 Months Ended		12 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Dec. 31, 2012
Note 9 - Treasury Stock (Details) [Line Items]
Stock Repurchase Program, Authorized Amount (in Dollars)			$ 10,000,000
Stock Repurchased During Period, Shares (in Shares)	125,000	8,000,000	9,770,991
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share)	$ 0.164		$ 0.126
Stock Repurchased During Period, Value (in Dollars)	$ 20,500		$ 1,227,000
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased			1,770,991
Broker Dealer [Member]
Note 9 - Treasury Stock (Details) [Line Items]
Stock Repurchased During Period, Shares (in Shares)			8,000,000