Leases - Additional Information (Detail) - USD ($)	3 Months Ended	6 Months Ended
Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2019	Aug. 31, 2018
Operating Lease, Cost	$ 147,000	$ 157,000	$ 294,000	$ 329,000
Operating Lease, Payments	143,000		286,000
Operating Leases, Income Statement, Lease Revenue	90,000		180,000
Southeast Metro Savings LLC and Honeyhill Properties LLC [Member]
Operating Lease, Cost	$ 97,000		$ 194,000

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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-Paragraph 5
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- Definition

The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

+ References

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-Publisher FASB
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-SubTopic 20
-Section 25
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