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Long-term Debt Debt Outstanding (Tables)
 3 Months Ended
Jun. 30, 2018
Debt Instrument [Line Items]  
Schedule of Debt [Table Text Block]
Total debt outstanding on the Loan Agreement were as follows:
(In thousands)
Jun 30, 2018
 
Mar 31, 2018
Total debt outstanding
$
13,085

 
$
13,187

Less: Current portion, long-term debt
(426
)
 
(421
)
Long-term debt
$
12,659

 
$
12,766