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Discontinued Operations (Details 3) - USD ($)
$ in Thousands
6 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Jun. 30, 2017
Jun. 30, 2016
Investing cash flow data:        
Cash and cash equivalents per balance sheet $ 57,547   $ 35,474  
Cash and cash equivalents classified within current assets of discontinued operations     419  
Beginning cash and cash equivalents balance per statement of cash flows 57,547 $ 18,804 $ 35,893 $ 20,268
content delivery business Segment [Member]        
Operating cash flow data:        
Depreciation and amortization 605 750    
Share-based compensation 170 154    
Provision for (recovery of) excess and obsolete inventories (23) 188    
Foreign currency exchange gains 144 (48)    
Investing cash flow data:        
Capital expenditures $ (275) $ (459)