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Note 6 - Line of Credit and Long-term Debt (Tables)
6 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
   
September
3
0
,
20
20
   
March 31,
20
20
 
   
(in thousands)
 
Line of credit
  $
2,000
    $
2,000
 
Long-term debt
   
5,020
     
5,367
 
Debt - related party
   
1,500
     
1,500
 
Long-term debt – PPP loan
   
1,381
     
 
Less current maturities
   
(4,197
)
   
(2,689
)
Long-term debt, excluding current maturities
   
5,704
     
6,178
 
Less unamortized debt issuance costs
   
(154
)
   
(169
)
Total long-term debt, net of current maturities and unamortized debt issuance costs
  $
5,550
    $
6,009
 
Schedule of Maturities of Long-term Debt [Table Text Block]
Payments Due
 
(in thousands)
 
Remainder of 2021
  $
516
 
2022
   
2,206
 
2023
   
1,970
 
2024
   
285
 
2025
   
301
 
Thereafter
   
2,623
 
Total principal payments
  $
7,901