Accrued Expenses - Components of Accrued Expenses (Detail) - USD ($) $ in Thousands	Aug. 31, 2019	Feb. 28, 2019
Payables And Accruals [Abstract]
Employee compensation and benefits	$ 12,271	$ 15,950
Taxes other than income	1,568	583
Accrued legal and professional fees	223	203
Accrued interest	60	188
Accrued utilities	90	90
Accrued acquisition related obligations	318	214
Accrued credit card fees	146	146
Other accrued expenses	468	521
Accrued expenses, Total	$ 15,144	$ 17,895