XML 47 R24.htm IDEA: XBRL DOCUMENT
v3.3.1.900

NOTE 18. CHANGE IN OPERATING ASSETS AND LIABILITIES | 12 Months Ended
--- | ---
Nov. 30, 2015
Increase (Decrease) in Operating Capital [Abstract] |
NOTE 18. CHANGE IN OPERATING ASSETS AND LIABILITIES |
|  | Years ended November 30, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Decrease (increase) in receivables and other assets |  | $ | 908 |  |  | $ | 3,319 |  |  | $ | (89 | )
Increase (decrease) in accounts payable and accrued liabilities |  |  | (275 | ) |  |  | 56 |  |  |  | (1,231 | )
Decrease in other liabilities |  |  | (174 | ) |  |  | (202 | ) |  |  | (268 | )
|  | $ | 459 |  |  | $ | 3,173 |  |  | $ | (1,588 | )

X
- References No definition available. + Details
Name: | NG_ChangeInOperatingAssetsAndLiabilitiesDisclosure
Namespace Prefix: | NG_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_IncreaseDecreaseInOperatingCapitalAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration