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PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Property, Plant and Equipment [Line Items]      
Gross property, plant and equipment $ 13,748 $ 11,355  
Less: accumulated depreciation 7,205 6,323  
Net property, plant and equipment 6,543 5,032  
Depreciation and amortization expense 900 700 $ 800
Depreciation expense included in cost of revenues 700 500 $ 600
Furniture and Fixtures [Member]      
Property, Plant and Equipment [Line Items]      
Gross property, plant and equipment $ 260 247  
Furniture and Fixtures [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Useful life 3 years    
Furniture and Fixtures [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Useful life 5 years    
Plant and Equipment [Member]      
Property, Plant and Equipment [Line Items]      
Gross property, plant and equipment $ 7,975 6,524  
Plant and Equipment [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Useful life 3 years    
Plant and Equipment [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Useful life 17 years    
Manufacturing [Member]      
Property, Plant and Equipment [Line Items]      
Useful life 15 years    
Gross property, plant and equipment $ 220 220  
Computers and Software [Member]      
Property, Plant and Equipment [Line Items]      
Gross property, plant and equipment $ 2,246 2,009  
Computers and Software [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Useful life 3 years    
Computers and Software [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Useful life 5 years    
Leasehold Improvements [Member]      
Property, Plant and Equipment [Line Items]      
Gross property, plant and equipment $ 2,681 964  
Land [Member]      
Property, Plant and Equipment [Line Items]      
Gross property, plant and equipment 19 19  
Construction in Progress [Member]      
Property, Plant and Equipment [Line Items]      
Gross property, plant and equipment $ 347 $ 1,372