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Note 4 - Long-Term Debt (Tables)
9 Months Ended
Dec. 31, 2014
Debt Disclosure [Abstract]  
Schedule of Debt [Table Text Block]
   

December 31, 2014

   

March 31, 2014

 

Line of credit (1.67% at December 31, 2014)

  $ 14,500     $ 16,500  

Term loan (2.17% at December 31, 2014)

    13,500       --  

Less: current portion

    (3,000 )     --  

Long-term portion

  $ 25,000     $ 16,500  
Schedule of Maturities of Long-term Debt [Table Text Block]

Year ending March 31,

       

2015

  $ 750  

2016

    3,000  

2017

    3,000  

2018

    21,250  
    $ 28,000