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Note 11 - Stockholders's Equity (Details) (USD $)
 1 Months Ended 3 Months Ended 13 Months Ended 1 Months Ended 3 Months Ended
Mar. 31, 2014
Mar. 31, 2014
Jan. 31, 2013
Jan. 31, 2013
Dutch Auction Tender Offer [Member]
Mar. 31, 2013
Stock Buyback Program [Member]
Mar. 31, 2013
Stock Buyback Program [Member]
Jan. 31, 2013
DLR Loan [Member]
Note 11 - Stockholders's Equity (Details) [Line Items]              
Stock Repurchased and Retired During Period, Shares (in Shares) 6,092     1,028,531      
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share)       $ 6.00      
Stock Repurchased and Retired During Period, Value $ 82,286 $ (82,286)   $ 6,171,656      
Stock Repurchased Transaction Costs       106,000      
Line of Credit Facility, Amount Outstanding             5,200,000
Shares, Outstanding (in Shares)     10,056,719        
Stock Repurchase Program, Authorized Amount 20,000,000       10,000,000    
Stock Repurchased During Period, Shares (in Shares)           35,769  
Stock Repurchased During Period, Value           $ 259,875