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Note 4 - Long-term Debt (Tables)
3 Months Ended
Jun. 30, 2016
Notes Tables  
Schedule of Debt [Table Text Block]
 
 
June 30, 2016
 
 
March 31,
201
6
 
Line of credit (2.21% at June 30, 2016)
  $ 29,000     $ 27,500  
Term loan (2.21% at June 30, 2016)
    17,000       17,750  
Less: current portion
    (3,000 )     (3,000 )
Long-term portion
  $ 43,000     $ 42,250  
Schedule of Maturities of Long-term Debt [Table Text Block]
Year ending March 31,
 
 
 
 
2017
  $ 2,250  
2018
    3,000  
2019
    3,000  
2020
    3,000  
2021
    34,750  
    $ 46,000