Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Comprehensive (Loss) Income (Parenthetical)

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Consolidated Statements of Comprehensive (Loss) Income (Parenthetical) - USD ($)
12 Months Ended
Nov. 30, 2015
Nov. 30, 2014
Nov. 30, 2013
Statement of Comprehensive Income [Abstract]      
Unrealized holding gain (loss) on securities arising during period, tax $ 0 $ (21,581) $ (88,721)
Reclassification adjustment for write-down of securities included in net income, tax $ 0 $ (128,244) $ 2,668