Accrued Liabilities (Detail) - USD ($) $ in Thousands	Feb. 28, 2021	Feb. 29, 2020	Feb. 28, 2019
Schedule of Accrued Liabilities [Line Items]
Accrued compensation and benefits	$ 298	$ 238
Accrued commissions	303	2
Accrued property taxes	8	56
Accrued warranty	41	51	$ 37
Accrued other	78	152
Accrued Customer Deposit and Accrued Liabilities Current, Total	$ 728	$ 499

Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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The carrying amount for commissions, taxes and other expenses that were incurred but unpaid as of the balance sheet date.

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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Accrued Customer Deposit and Accrued Liabilities Current

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Schedule of Accrued Liabilities [Line Items]

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