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Note E - Accrued Liabilities
12 Months Ended
Jun. 30, 2018
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
E
. ACCRUED LIABILITIES
 
Accrued liabilities at
June 30
were as follows:
 
   
2018
   
2017
 
Salaries and wages
  $
10,311
    $
6,714
 
Customer advances/deferred revenue
   
5,426
     
2,423
 
Warranty
   
3,952
     
1,708
 
Accrued Professional Fees
   
3,501
     
1,495
 
Retirement benefits
   
2,516
     
3,027
 
Other
   
7,270
     
7,855
 
    $
32,976
    $
23,222