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Note 4 - Borrowings (Details) (Revolving Credit Facility [Member], USD $)
In Millions, unless otherwise specified
1 Months Ended
May 17, 2013
Prime Rate [Member]
Sep. 30, 2013
Jun. 30, 2013
May 17, 2013
Note 4 - Borrowings (Details) [Line Items]        
Line of Credit Facility, Maximum Borrowing Capacity       $ 10
Debt Instrument, Basis Spread on Variable Rate 0.125%      
Long-term Line of Credit     8  
Line of Credit Facility, Amount Outstanding   $ 0