Quarterly report pursuant to Section 13 or 15(d)

Income Taxes Temporary Differences (Details)

Income Taxes Temporary Differences (Details) (USD $)	Feb. 28, 2015	Nov. 30, 2014
Operating Loss Carryforwards [Line Items]
Deferred Tax	$ 9,832,518us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 9,871,480us-gaap_DeferredTaxAssetsLiabilitiesNet
Short-Term Asset	2,842,519us-gaap_DeferredTaxAssetsNetCurrent	2,883,285us-gaap_DeferredTaxAssetsNetCurrent
Long-Term Asset (Liability)	6,989,999	6,988,195
Depreciation
Operating Loss Carryforwards [Line Items]
Amount	(661,250)	(685,154)
Deferred Tax	(244,025)	(252,883)
Short-Term Asset	0	0
Long-Term Asset (Liability)	(244,025)	(252,883)
Unrealized (gain) on investments
Operating Loss Carryforwards [Line Items]
Amount		0
Deferred Tax		0
Short-Term Asset		0
Long-Term Asset (Liability)		0
Reserve for bad debts
Operating Loss Carryforwards [Line Items]
Amount	32,095	25,124
Deferred Tax	11,844	9,272
Short-Term Asset	11,844	9,272
Long-Term Asset (Liability)	0	0
Reserve for returns
Operating Loss Carryforwards [Line Items]
Amount	2,480,934	2,942,544
Deferred Tax	915,556	1,085,907
Short-Term Asset	915,556	1,085,907
Long-Term Asset (Liability)	0	0
Reserve for obsolete inventory
Operating Loss Carryforwards [Line Items]
Amount	735,500	608,504
Deferred Tax	271,427	224,560
Short-Term Asset	271,427	224,560
Long-Term Asset (Liability)	0	0
Vacation accrual
Operating Loss Carryforwards [Line Items]
Amount	156,337	148,751
Deferred Tax	57,694	54,895
Short-Term Asset	57,694	54,895
Long-Term Asset (Liability)	0	0
Accrued bonus
Operating Loss Carryforwards [Line Items]
Amount	222,000
Deferred Tax	81,926
Short-Term Asset	81,926
Charitable contributions
Operating Loss Carryforwards [Line Items]
Amount	1,101,040	1,100,940
Deferred Tax	406,324	406,287
Short-Term Asset	132,853	132,853
Long-Term Asset (Liability)	273,471	273,434
Section 263A costs
Operating Loss Carryforwards [Line Items]
Amount	115,672	128,079
Deferred Tax	42,687	47,266
Short-Term Asset	42,687	47,266
Long-Term Asset (Liability)	0	0
Loss carry forward
Operating Loss Carryforwards [Line Items]
Amount	22,914,148	22,933,333
Deferred Tax	8,289,085	8,296,176
Short-Term Asset	1,328,532	1,328,532
Long-Term Asset (Liability)	$ 6,960,553	$ 6,967,644