Consideration Transferred (Detail) - USD ($) $ in Thousands	Dec. 14, 2016	Apr. 01, 2016
Atoll GmbH
Business Acquisition [Line Items]
Cash consideration		$ 10,176
Value of common stock issued		14,138
Working capital adjustment		74
Estimated fair value of contingent consideration		952
Total consideration transferred		$ 25,266
TangenX Technology Corporation
Business Acquisition [Line Items]
Cash consideration	$ 37,532
Working capital adjustment	(382)
Total consideration transferred	$ 37,150

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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