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Nature of operations, going concern, structure and plan of arrangement (Narrative) (Details) (USD $)
1 Months Ended 12 Months Ended
Oct. 24, 2011
Nov. 30, 2014
Nov. 30, 2013
Nov. 30, 2012
Nov. 30, 2011
Jan. 11, 2010
Mar. 23, 2004
Mar. 21, 2004
Ambler Property Ownership           100.00%ncq_MineralPropertyRightOwnershipPercentage    
Consideration for Ambler Property           $ 29,000,000ncq_ConsiderationForMineralProperty    
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 100us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued              
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned 27,300,000us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned              
Interest Option Held             51.00%us-gaap_EquityMethodInvestmentOwnershipPercentage  
Consolidated Cash   5,074,000us-gaap_CashAndCashEquivalentsAtCarryingValue 6,484,000us-gaap_CashAndCashEquivalentsAtCarryingValue 22,244,000us-gaap_CashAndCashEquivalentsAtCarryingValue 1,000us-gaap_CashAndCashEquivalentsAtCarryingValue     0us-gaap_CashAndCashEquivalentsAtCarryingValue
Approximations [Member]                
Consolidated Cash   5,100,000us-gaap_CashAndCashEquivalentsAtCarryingValue
/ us-gaap_StatementScenarioAxis
= ncq_ApproximationsMember
           
Working Capital   $ 4,800,000us-gaap_IncreaseDecreaseInOperatingCapital
/ us-gaap_StatementScenarioAxis
= ncq_ApproximationsMember