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Note C - Property and Equipment (Tables)
6 Months Ended
Dec. 31, 2017
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
Depreciable
Life In Years
   
December 31
,
2017
   
June 30,
201
7
 
                           
Land
 
 
N/A
 
    $
1,200
    $
1,200
 
Building and building improvements
 
7
39
     
3,715
     
3,706
 
Machinery and equipment
 
3
12
     
25,499
     
24,194
 
Office equipment and furniture
 
3
5
     
4,350
     
3,954
 
Vehicles
 
 
3
 
     
209
     
209
 
Leasehold improvements
 
1
15
     
17,032
     
17,038
 
Total property and equipment
 
 
 
 
     
52,005
     
50,301
 
Less: accumulated depreciation and amortization
 
 
 
 
     
(33,272
)    
(32,165
)
Property and equipment, net
 
 
 
 
    $
18,733
    $
18,136