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Discontinued Operations (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
May 15, 2017
Dec. 31, 2017
Dec. 31, 2017
Oct. 13, 2017
Disposal Group, Including Discontinued Operation, Consideration   $ 29,000 $ 29,000  
Disposal Group, Including Discontinued Operation, Consideration Adjustment for Working Capital   812 812  
Cash Divested from Deconsolidation     106  
Content Delivery Segment [Member]        
Disposal Group, Including Discontinued Operation, Consideration       $ 29,000
Proceeds from Divestiture of Businesses     29,020  
Escrow Deposit   1,450 1,450  
Disposal Group, Including Discontinued Operation, Consideration Adjustment for Working Capital   1,470 1,470  
Content Delivery Segment [Member] | General and Administrative Expense [Member]        
Payments to Employees   479 479  
Real time Business Segment [Member]        
Disposal Group, Including Discontinued Operation, Consideration $ 35,000      
Gross Proceeds from Divestiture of Businesses 30,200      
Proceeds from Divestiture of Businesses 2,800      
Escrow Deposit $ 2,000      
Other Cost and Expense, Operating   37 32  
Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost   1,745    
Chief Executive Officer [Member] | Content Delivery Segment [Member] | General and Administrative Expense [Member]        
Severance Costs   544 544  
Executive Officer [Member] | Content Delivery Segment [Member] | General and Administrative Expense [Member]        
Severance Costs   $ 132 $ 132