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Subsequent event (Narrative) (Details)
 0 Months Ended
Dec. 05, 2014
Common shares issued for vested RSUs 337,336us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross
Subsequent Event [Member] | Director [Member]  
Stock options granted 600,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
/ ncq_SubsequentEventTransactionAxis
= us-gaap_SubsequentEventMember
Subsequent Event [Member] | Employees [Member]  
Stock options granted 1,020,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ncq_EmployeesMember
/ ncq_SubsequentEventTransactionAxis
= us-gaap_SubsequentEventMember
Number of RSU's [Member]  
Units Vested 337,336ncq_UnitsVested
/ us-gaap_AwardTypeAxis
= ncq_NumberOfRsusMember