Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v3.6.0.2
Income Taxes - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Nov. 30, 2016
Nov. 30, 2016
Nov. 30, 2015
Income Tax [Line Items]      
Valuation allowance, changes in amount   $ (329,000) $ 264,000
Valuation allowance     (2,630,000)
Deferred tax assets     7,267,000
Extinguishment of revenue sharing agreements $ 3,400,000 3,400,000  
Extinguishment of revenue sharing agreements amortization period 15 years    
Valuation Allowance Release, Amount $ 329,000 (329,000) (8,151,000)
Uncertain tax provisions 0 0 0
Provisions for interest or penalties related to uncertain tax positions   0 $ 0
Revenue Sharing Agreement ("RSA") [Member]      
Income Tax [Line Items]      
Deferred tax assets $ 875,000 $ 875,000