Summary of Significant Accounting Policies (Details Textual) - USD ($)	9 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Nov. 30, 2015
Summary of Significant Accounting Policies [Abstract]
Direct shipments revenue	$ 2,885,000	$ 3,202,000
Commission revenue	301,396	216,181
Revenues from distribution agreements	6,434,000	5,761,000
Inventory in transit from foreign suppliers	1,639,000
Reserve against slow moving and obsolete inventory	374,000
Amount of uninsured cash balances	3,778,918		$ 3,989,000
Shipping costs	$ 4,991	$ 6,791
Potentially dilutive shares excluded from diluted weighted shares outstanding (in shares)	518,991	517,096