Summary of Significant Accounting Policies (Details Textual) - USD ($)	3 Months Ended
Feb. 29, 2020	Feb. 28, 2019	Nov. 30, 2019
Summary of Significant Accounting Policies (Textual)
Direct shipments revenue	$ 274,000	$ 702,000
Commission revenue	76,675	22,029
Revenues from distribution agreements	1,357,000	1,519,000
Inventory in transit from foreign suppliers	449,222
Reserve against slow moving and obsolete inventory	250,565
Amount of uninsured cash balances	2,767,300		$ 2,174,808
Shipping costs	$ 1,342	$ 1,220
Diluted weighted shares outstanding	164,370	172,000
Capital lease obligations	$ 290,000

Represents an amount of commission revenue from act as a sales agent to certain customers.

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Represents an amount of revenue from agreements with several distributors during the period.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

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The aggregate cost of goods produced and sold and services rendered during the reporting period.

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The aggregate direct operating costs incurred during the reporting period.

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Amount of valuation reserve for inventory.

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Gross amount of merchandise or supplies to which the entity holds the title but does not hold physical possession because the goods are currently being transported.

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