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ACQUISITIONS (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jul. 02, 2016
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Dec. 14, 2015
Jul. 17, 2015
Preliminary purchase price allocation [Abstract]            
Goodwill   $ 6,735 $ 1,039 $ 0    
Business acquisition related expenses [Abstract]            
Acquisition related expenses   702 190 0    
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]            
Amortization expense from acquired intangible assets   600 100 $ 100    
Acquisition-related Costs [Member]            
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]            
Amortization expense from acquired intangible assets   $ 500        
Alpha Bio/Med Services LLC [Member]            
Preliminary purchase price allocation [Abstract]            
Accounts receivable           $ 51
Fixed assets           70
Intangibles           267
Goodwill           413
Accounts payable and accrued liabilities           (101)
Total purchase price           700
Cash consideration withheld for possible settlement amounts           $ 100
Bio-Team Mobile LLC [Member]            
Preliminary purchase price allocation [Abstract]            
Accounts receivable         $ 42  
Fixed assets         68  
Intangibles         313  
Goodwill         626  
Accounts payable and accrued liabilities         (16)  
Total purchase price         1,033  
Cash consideration withheld for possible settlement amounts         $ 100  
Citiwaste LLC [Member]            
Preliminary purchase price allocation [Abstract]            
Cash $ 5          
Accounts receivable 495          
Fixed assets 30          
Intangibles 3,357          
Goodwill 5,696          
Accounts payable and accrued liabilities (356)          
Debt assumed (187)          
Total purchase price 9,040          
Purchase price of acquisition $ 7,000          
Number of shares for purchase price of acquisition (in shares) 415,527          
Purchase price of acquisition value $ 1,900          
Lease obligation amount 100          
Total consideration amount 9,000          
Escrow period for common stock consideration   1 year        
Revenues   $ 3,600        
Supplemental pro forma data [Abstract]            
Revenues     36,306      
Net income (loss)     $ (159)      
Weighted average common shares outstanding (in shares)     15,861,000      
Net loss per common share basic and diluted (in dollars per share)     $ (0.01)      
Citiwaste LLC [Member] | Credit Agreement [Member]            
Preliminary purchase price allocation [Abstract]            
Amount outstanding $ 3,000