Acquisition of Unicomp - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
Oct. 23, 2017	Feb. 28, 2018
Business Combination Allocation Of Purchase Price [Line Items]
Cash paid on acquisition		$ 100
Unicompinc. [Member]
Business Combination Allocation Of Purchase Price [Line Items]
Purchase price for acquisition	$ 200
Cash paid on acquisition	100
Unicompinc. [Member] \| Non-Interest Bearing Note Payable
Business Combination Allocation Of Purchase Price [Line Items]
Notes payable	$ 100

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 liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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