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LONG-TERM DEBT - Long-term debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Jun. 30, 2015
Debt Instrument [Line Items]    
Long-term debt $ 2,108 $ 2,332
Less current portion 524 478
Long-term debt, less current portion 1,584 1,854
Capital Lease Obligations    
Debt Instrument [Line Items]    
Long-term debt 288 338
Other loan agreements    
Debt Instrument [Line Items]    
Long-term debt 46  
Lease financing obligations    
Debt Instrument [Line Items]    
Long-term debt $ 1,774 $ 1,994