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NOTE 3 - GOING CONCERN (Details) (USD $)
3 Months Ended 6 Months Ended
Nov. 30, 2014
Nov. 30, 2013
Nov. 30, 2014
Nov. 30, 2013
May 31, 2014
Going Concern Note [Abstract]          
Net Income (Loss) Attributable to Parent $ (693,921)us-gaap_NetIncomeLoss $ (89,314)us-gaap_NetIncomeLoss $ (1,412,935)us-gaap_NetIncomeLoss $ (204,325)us-gaap_NetIncomeLoss  
Working Capital Deficit (364,720)nxga_WorkingCapitalDeficit   (364,720)nxga_WorkingCapitalDeficit    
Stockholders' Equity Attributable to Parent $ 4,988,824us-gaap_StockholdersEquity   $ 4,988,824us-gaap_StockholdersEquity   $ (1,500,454)us-gaap_StockholdersEquity