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Note 12 - Stockholders's Equity: (Detail) (USD $)
 0 Months Ended 3 Months Ended 6 Months Ended
Dec. 15, 2011
Jun. 30, 2012
Mar. 31, 2012
Jun. 30, 2012
Mar. 30, 2012
Jan. 23, 2012
Dec. 30, 2011
Stock Repurchased and Retired During Period, Shares   1,115,304 7,570,236 1,115,304      
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share) $ 0.77            
Stock Repurchased and Retired During Period, Value (in Dollars) $ 5,829,082   $ 5,829,082        
Stock Repurchased Transaction Costs (in Dollars) 64,000            
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars) $ 4,000,000            
Shares, Outstanding         46,221,465 46,047,053 53,497,584
Stock Repurchase Program, Number of Shares Authorized to be Repurchased     3,840,000        
Repurchase of Equity [Member]
              
Stock Repurchased and Retired During Period, Shares 7,570,236