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Acquisitions - Summary of Allocation of Purchase Price (Detail) - USD ($)
$ in Thousands
Jun. 30, 2016
Apr. 07, 2016
Business Acquisition [Line Items]    
Goodwill $ 1,874  
Birdstep Technology's [Member]    
Business Acquisition [Line Items]    
Cash and cash equivalents   $ 73
Accounts receivable   99
Income tax receivable   103
Prepaids and other current assets   311
Equipment and improvements   30
Intangible assets   640
Goodwill   1,874
Total assets   3,130
Accounts payable   223
Accrued liabilities   421
Deferred revenue   486
Total liabilities   1,130
Total purchase price   $ 2,000