Quarterly report pursuant to Section 13 or 15(d)

Acquisition of Kulu Valley, Ltd. (Details)

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Acquisition of Kulu Valley, Ltd. (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
Oct. 03, 2014
Dec. 31, 2014
Business Acquisition [Line Items]    
Share price (in dollars per share) $ 12.95  
Kulu Valley Ltd    
Business Acquisition [Line Items]    
Percent of voting interest acquired 100.00%  
Net transaction consideration $ 14,591  
Cash paid for acquisition of business, net of cash acquired 11,556  
Cash acquired from acquisition $ 2,466  
Number of shares issued for business combination 275  
Sale of stock, price per share $ 13.75  
Escrow deposit $ 2,000  
Escrow lapsed period 15 months  
Accounting adjustments to reduce carrying value of deferred revenues $ 1,100  
Transaction costs related to business acquisition   $ 245
Intangible assets 6,663  
Net deferred tax liability 1,300  
Deferred tax liability, gross 1,500  
Deferred tax assets, gross 200  
Developed Technology | Kulu Valley Ltd    
Business Acquisition [Line Items]    
Intangible assets 4,233  
Customer Relationships | Kulu Valley Ltd    
Business Acquisition [Line Items]    
Intangible assets 2,315  
Trademarks / Trade-Names | Kulu Valley Ltd    
Business Acquisition [Line Items]    
Intangible assets 74  
Covenants Not to Compete | Kulu Valley Ltd    
Business Acquisition [Line Items]    
Intangible assets $ 41  
Minimum | Kulu Valley Ltd    
Business Acquisition [Line Items]    
Acquired intangible assets weighted average useful life 15 months  
Maximum | Kulu Valley Ltd    
Business Acquisition [Line Items]    
Acquired intangible assets weighted average useful life 9 years