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Note 5 - Accrued Expenses
3 Months Ended
Jun. 30, 2018
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
5.
ACCRUED EXPENSES
 
Accrued expenses consist of the following:
 
   
June 30, 201
8
   
March 31, 201
8
 
   
(in thousands)
 
Wages, commissions, bonus and profit sharing
  $
807
    $
707
 
Rent and utilities
   
69
     
69
 
Other accrued expenses
   
124
     
116
 
Total accrued expenses
  $
1,000
    $
892