Quarterly report pursuant to Section 13 or 15(d)

LICENSE, SETTLEMENT AND RELEASE AGREEMENT (Details)

v3.10.0.1
LICENSE, SETTLEMENT AND RELEASE AGREEMENT (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 29, 2018
USD ($)
asset
Apr. 09, 2018
USD ($)
Apr. 06, 2018
installment_payment
Mar. 29, 2018
USD ($)
Mar. 19, 2018
USD ($)
Feb. 28, 2018
USD ($)
Feb. 01, 2018
USD ($)
Apr. 21, 2017
USD ($)
Mar. 31, 2017
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Mar. 31, 2019
USD ($)
Jan. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Sep. 26, 2018
USD ($)
May 31, 2017
USD ($)
Mar. 30, 2017
USD ($)
Finite-Lived Intangible Assets [Line Items]                                      
License revenue                   $ 0 $ 0 $ 82,300 $ 27,056            
Licensing Agreements | Trend Micro Parties                                      
Finite-Lived Intangible Assets [Line Items]                                      
Settlement, amount awarded from other party $ 13,400                                    
Number of assets transferred | asset 18                                    
Licensing Agreements | Carbon Black, Inc                                      
Finite-Lived Intangible Assets [Line Items]                                      
Cash received from license agreement   $ 1,300                   3,900              
Payment period     5 days                                
Receivable related to license agreement                                 $ 1,300    
Percentage of gross revenue     8.00%                                
Number of quarterly installments | installment_payment     4                                
Licensing Agreements | Carbon Black, Inc | Forecast                                      
Finite-Lived Intangible Assets [Line Items]                                      
Receivable related to license agreement                               $ 1,300      
Licensing Agreements | Symantec Corp                                      
Finite-Lived Intangible Assets [Line Items]                                      
Settlement, amount awarded from other party         $ 65,000                            
Payment period           20 days                          
Payable period of agreement           4 years                          
Licensing Agreements | EU Licensee                                      
Finite-Lived Intangible Assets [Line Items]                                      
Settlement, amount awarded from other party               $ 4,900                      
Cash received from license agreement                       2,300              
Payment period               10 days                      
Receivable related to license agreement             $ 1,300                     $ 2,300  
Licensing Agreements | EU Licensee | Forecast                                      
Finite-Lived Intangible Assets [Line Items]                                      
Receivable related to license agreement                             $ 1,300        
Licensing Agreements | Sophos Group                                      
Finite-Lived Intangible Assets [Line Items]                                      
License revenue       $ 1,250                              
Cash received from license agreement                 $ 15,000                    
Receivable related to license agreement                                     $ 2,500
Licensing Agreements | Sophos Group | Forecast                                      
Finite-Lived Intangible Assets [Line Items]                                      
Receivable related to license agreement                           $ 1,250          
Maximum | Licensing Agreements | Symantec Corp                                      
Finite-Lived Intangible Assets [Line Items]                                      
Additional license fees           $ 45,000                          
License | Licensing Agreements | Carbon Black, Inc                                      
Finite-Lived Intangible Assets [Line Items]                                      
License revenue                       3,900              
License | Licensing Agreements | Symantec Corp                                      
Finite-Lived Intangible Assets [Line Items]                                      
License revenue                       $ 65,000              
License | Licensing Agreements | EU Licensee                                      
Finite-Lived Intangible Assets [Line Items]                                      
License revenue             $ 1,300                        
License | Licensing Agreements | Sophos Group                                      
Finite-Lived Intangible Assets [Line Items]                                      
License revenue                 $ 15,000