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
Unicomp Inc. [Member]
Business Combination Allocation of Purchase Price [Line Items]
Purchase price for acquisition	$ 200
Cash paid on acquisition	100
Unicomp Inc. [Member] | Non-Interest Bearing Note Payable
Business Combination Allocation of Purchase Price [Line Items]
Notes payable	$ 100