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Note 4 - Componets of Long-term Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Mar. 31, 2016
Line of Credit [Member]    
Long-term debt $ 29,000 $ 27,500
Term Loan [Member]    
Long-term debt 17,000 17,750
Long-term debt 46,000  
Less: current portion (3,000) (3,000)
Long-term portion $ 43,000 $ 42,250