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10. PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Property, plant and equipment, Gross $ 35,411 $ 36,693
Accumulated depreciation (21,751) (22,828)
Accumulated amortization on equipment under capital leases (776) (633)
Total accumulated amortization depreciation (22,527) (23,461)
Property, plant and equipment before currency translation effect 12,884 13,232
Currency translation effect (1,593) (1,949)
Property, plant and equipment, net 11,291 11,283
Building and improvements    
Property, plant and equipment, Gross $ 5,070 5,002
Building and improvements | Minimum Member    
Estimated Useful Life in Years 3 years  
Building and improvements | Maximum Member    
Estimated Useful Life in Years 20 years  
Leasehold improvements    
Property, plant and equipment, Gross $ 5,614 5,591
Leasehold improvements | Minimum Member    
Estimated Useful Life in Years 3 years  
Leasehold improvements | Maximum Member    
Estimated Useful Life in Years 27 years  
Machinery and equipment    
Property, plant and equipment, Gross $ 22,858 24,106
Machinery and equipment | Minimum Member    
Estimated Useful Life in Years 3 years  
Machinery and equipment | Maximum Member    
Estimated Useful Life in Years 7 years  
Furniture and fixtures    
Property, plant and equipment, Gross $ 941 823
Furniture and fixtures | Minimum Member    
Estimated Useful Life in Years 3 years  
Furniture and fixtures | Maximum Member    
Estimated Useful Life in Years 5 years  
Equipment under capital leases    
Property, plant and equipment, Gross $ 928 $ 1,171
Equipment under capital leases | Minimum Member    
Estimated Useful Life in Years 3 years  
Equipment under capital leases | Maximum Member    
Estimated Useful Life in Years 5 years