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Note 11 - Stockholders's Equity: (Details) (USD $)
 0 Months Ended 1 Months Ended 3 Months Ended 6 Months Ended
Dec. 15, 2011
Mar. 31, 2013
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Dec. 31, 2012
Jan. 31, 2012
Note 11 - Stockholders's Equity: (Details) [Line Items]              
Stock Repurchased and Retired During Period, Shares (in Shares)       1,115,304 (4,114,121)    
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share) $ 1.50            
Stock Repurchased and Retired During Period, Value $ 6,171,656   $ 259,875   $ 259,875    
Stock Repurchased Transaction Costs 106,000            
Line of Credit Facility, Amount Outstanding 5,200,000   5,200,000   5,200,000    
Shares, Outstanding (in Shares)   40,121,797 40,641,488   40,641,488 44,322,159 40,226,875
Stock Repurchase Program, Authorized Amount   10,000,000          
Dutch Auction Tender Offer [Member]
              
Note 11 - Stockholders's Equity: (Details) [Line Items]              
Stock Repurchased and Retired During Period, Shares (in Shares) 4,114,121            
Normal Course Issuer Bid Member
              
Note 11 - Stockholders's Equity: (Details) [Line Items]              
Stock Repurchased and Retired During Period, Shares (in Shares)     (143,073)   (143,073)    
Stock Repurchased and Retired During Period, Value         $ 28,615