Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of operating lease expense. Excludes sublease income.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Weighted average discount rate for operating lease calculated at point in time.

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Note 12 - Leasing Arrangements (Details Textual) - USD ($)	9 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Aug. 31, 2021
Operating Lease, Expense	$ 582,344	$ 630,871
Operating Lease, Weighted Average Discount Rate, Percent	3.10%
Lessee, Operating Lease, Liability, to be Paid, Total	$ 2,086,981
Operating Lease, Liability, Total	1,901,558
Company-owned Location [Member]
Lessee, Operating Lease, Liability, to be Paid, Total	504,946
Operating Lease, Liability, Total	$ 475,908
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Year)			10 years
Lessee, Operating Lease, Renewal Term (Year)			10 years
Minimum [Member]
Lessee, Operating Lease, Renewal Term (Year)			5 years