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Note 6 - Long-Term Debt (Tables)
12 Months Ended
Mar. 31, 2015
Debt Disclosure [Abstract]  
Schedule of Debt [Table Text Block]
   

March 31,

2015

   

March 31,

2014

 

Line of credit (1.68% at March 31, 2015)

  $ 13,500     $ 16,500  

Term loan (2.18% at March 31, 2015)

    12,750       --  

Less: current portion

    (3,000 )     --  

Long-term portion

  $ 23,250     $ 16,500  
Schedule of Maturities of Long-term Debt [Table Text Block]

Year ending March 31,

       

2016

  $ 3,000  

2017

    3,000  

2018

    20,250  
    $ 26,250