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Note 4 - Long-Term Debt (Tables)
3 Months Ended
Jun. 30, 2015
Debt Disclosure [Abstract]  
Schedule of Debt [Table Text Block]
   

June 30, 2015

   

March 31, 2015

 

Line of credit (1.69% at June 30, 2015)

  $ 13,000     $ 13,500  

Term loan (2.19% at June 30, 2015)

    12,000       12,750  

Less: current portion

    (3,000 )     (3,000 )

Long-term portion

  $ 22,000     $ 23,250  
Schedule of Maturities of Long-term Debt [Table Text Block]

Year ending March 31,

       

2016

  $ 2,250  

2017

    3,000  

2018

    3,000  

2019

    3,000  

2020

    3,000  

Thereafter

    19,750  
    $ 34,000