Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Narrative (Details)

v3.10.0.1
Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
May 31, 2018
May 31, 2017
May 31, 2018
May 31, 2017
Nov. 30, 2017
Finite-Lived Intangible Assets [Line Items]          
Sales returns, basis of estimated returns     3 months    
Term accounts remain open unless management believes a deduction may still be taken     3 years    
Decrease in cooperative advertising for events that did not take place $ 133,762 $ 204,598 $ 267,595 $ 409,196  
Summary of Significant Accounting Policies (Textual) [Abstract]          
Shipping costs 1,859,301 2,345,980 3,508,264 4,053,834  
Advertising, cooperative and promotional expenses 505,745 461,149 855,488 943,364  
Research and development 14,879 14,250 $ 29,393 27,332  
Patents          
Finite-Lived Intangible Assets [Line Items]          
Intangible asset useful life     17 years    
Accounting Standards Update 2015-07          
Summary of Significant Accounting Policies (Textual) [Abstract]          
Deferred income taxes         $ 2,079,988
Reclassification from current deferred tax assets         $ (2,079,988)
Shipping Costs          
Summary of Significant Accounting Policies (Textual) [Abstract]          
Shipping costs $ 205,235 $ 96,778 $ 303,385 $ 178,245