Annual report pursuant to Section 13 and 15(d)

Valuation Accounts (Details)

v3.8.0.1
Valuation Accounts (Details) - USD ($)
 12 Months Ended
Nov. 30, 2017
Nov. 30, 2016
Nov. 30, 2015
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year $ 1,392,380 $ 1,329,513 $ 3,559,869
Additions Charged To Costs and Expenses 767,550 3,919,303 15,655,262
Deductions 1,619,569 3,856,436 17,885,618
Balance At End Of Year 540,361 1,392,380 1,329,513
Allowance for cooperative advertising      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year 435,351 416,826 592,202
Additions Charged To Costs and Expenses 378,517 1,816,804 6,704,055
Deductions 526,649 1,798,279 6,879,431
Balance At End Of Year 287,219 435,351 416,826
Allowance for doubtful accounts      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year 15,801 4,911 25,124
Additions Charged To Costs and Expenses 7,233 37,503 23,536
Deductions 16,405 26,613 43,749
Balance At End Of Year 6,629 15,801 4,911
Reserve for returns and allowances      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year 941,228 907,776 2,942,543
Additions Charged To Costs and Expenses 381,800 2,064,996 8,927,671
Deductions 1,076,515 2,031,544 10,962,438
Balance At End Of Year 246,513 941,228 907,776
Accrual for returns included in accrued liabilities      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year 194,873 407,992 653,894
Additions Charged To Costs and Expenses 775,170 194,873 407,992
Deductions 860,397 407,992 653,894
Balance At End Of Year 109,646 194,873 407,992
Accrual for cooperative advertising in accrued liabilities      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year 1,741,402 1,697,493 2,368,808
Additions Charged To Costs and Expenses 768,503 1,741,402 1,697,493
Deductions 2,387,001 1,697,493 2,368,808
Balance At End Of Year 122,904 1,741,402 1,697,493
Reserve for inventory obsolescence      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning Of Year 500,156 821,259 992,296
Additions Charged To Costs and Expenses (112,677) (151,233) 952,823
Deductions 229,210 169,870 1,123,860
Balance At End Of Year $ 158,269 $ 500,156 $ 821,259