Consolidated Balance Sheets - USD ($)	Feb. 28, 2019	Nov. 30, 2018
Current assets:
Cash	$ 1,816,521	$ 1,761,863
Accounts receivable - net of allowance for doubtful accounts of $163,357 and $161,560	5,604,308	5,997,493
Inventory, net	3,350,369	3,389,065
Prepaid expenses and income taxes	36,836	19,589
Total current assets	10,808,034	11,168,010
Fixed assets – net of accumulated depreciation and amortization of $2,276,205 and $2,266,627	111,997	115,995
Deferred income taxes	1,098,485	982,624
Other assets	22,607	13,384
Total assets	12,041,123	12,280,013
Current liabilities:
Accounts payable	3,631,964	4,420,013
Loan payable
Capital lease payable, current maturities	7,258	7,036
Accrued expenses and taxes	594,586	603,203
Accrued salaries	381,650	508,873
Total current liabilities	4,615,458	5,539,125
Capital lease payable, net of current maturities	21,967	25,500
Deferred rent	22,567	25,554
Total liabilities	4,659,992	5,590,179
Commitments and contingencies
Shareholders' equity:
Preferred stock value
Common stock - $.001 par value, 50,000,000 shares authorized, 5,262,128 and 5,262,128 shares issued and outstanding	5,262	5,262
Additional paid-in capital	16,577,772	16,577,772
Accumulated deficit	(9,201,913)	(9,893,210)
Total shareholders' equity	7,381,131	6,689,834
Total liabilities and shareholders' equity	12,041,123	12,280,013
Series C Preferred Stock
Shareholders' equity:
Preferred stock value	10	10
Series D Preferred Stock [Member]
Shareholders' equity:
Preferred stock value