Annual report pursuant to Section 13 and 15(d)

Valuation Accounts (Details)

v3.6.0.2
Valuation Accounts (Details) - USD ($)
 12 Months Ended
Nov. 30, 2016
Nov. 30, 2015
Nov. 30, 2014
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year $ 1,329,513 $ 3,559,869 $ 2,117,074
Additions Charged To Costs and Expenses 3,919,303 15,655,262 19,741,112
Deductions 3,856,436 17,885,618 18,298,317
Balance At End Of Year 1,392,380 1,329,513 3,559,869
Allowance for cooperative advertising      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year 416,826 592,202 1,035,798
Additions Charged To Costs and Expenses 1,816,804 6,704,055 8,887,840
Deductions 1,798,279 6,879,431 9,331,436
Balance At End Of Year 435,351 416,826 592,202
Allowance for doubtful accounts      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year 4,911 25,124 56,512
Additions Charged To Costs and Expenses 37,503 23,536 38,135
Deductions 26,613 43,749 69,523
Balance At End Of Year 15,801 4,911 25,124
Reserve for returns and allowances      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year 907,776 2,942,543 1,024,764
Additions Charged To Costs and Expenses 2,064,996 8,927,671 10,815,137
Deductions 2,031,544 10,962,438 8,897,358
Balance At End Of Year 941,228 907,776 2,942,543
Accrual for returns included in accrued liabilities      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year 407,992 653,894 1,045,458
Additions Charged To Costs and Expenses 194,873 407,992 653,855
Deductions 407,992 653,894 1,045,419
Balance At End Of Year 194,873 407,992 653,894
Accrual for cooperative advertising in accrued liabilities      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year 1,697,493 2,368,808 3,218,259
Additions Charged To Costs and Expenses 1,741,402 1,697,493 2,368,808
Deductions 1,697,493 2,368,808 3,218,259
Balance At End Of Year 1,741,402 1,697,493 2,368,808
Reserve for inventory obsolescence      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year 821,259 992,296 3,030,306
Additions Charged To Costs and Expenses (151,233) 952,823 2,152,014
Deductions 169,870 1,123,860 4,190,024
Balance At End Of Year $ 500,156 $ 821,259 $ 992,296