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DISCONTINUED OPERATION: (Details) - USD ($)
$ in Thousands
9 Months Ended
Dec. 02, 2013
Sep. 30, 2015
Sep. 30, 2014
Discontinued Operation [Line Items]      
Loss from discontinued operations   $ (200) $ (795)
Spacenet Inc. [Member]      
Discontinued Operation [Line Items]      
Proceeds from sale of subsidiary $ 16,000    
Loss from sale of subsidiary $ 1,385    
Loss from discontinued operations   $ 200 $ 795