Consolidated Balance Sheets (Parentheticals) (USD $)	Feb. 28, 2015	Nov. 30, 2014
Allowance for doubtful accounts	$ 48,047	$ 48,250
Accumulated depreciation, property, plant and equipment	148,354	147,638
Definite lived intangible assets, accumulated amortization	$ 85,208	$ 81,689
Preferred stock, shares authorized (in shares)	4,000,000us-gaap_PreferredStockSharesAuthorized	4,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares outstanding (in shares)	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	15,000,000us-gaap_CommonStockSharesAuthorized	15,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued (in shares)	8,466,953us-gaap_CommonStockSharesIssued	8,466,953us-gaap_CommonStockSharesIssued
Common stock, shares outstanding (in shares)	7,263,508us-gaap_CommonStockSharesOutstanding	7,263,508us-gaap_CommonStockSharesOutstanding
Series A Preferred Stock [Member]
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares outstanding (in shares)	0	0

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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