STOCK OPTIONS: Purchase common shares (Details) (USD $)
3 Months Ended 12 Months Ended
Jun. 30, 2013
Mar. 31, 2013
Mar. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares, Balance 2,275,000 2,100,000 0
Shares, Granted 1,500,000 2,025,000 2,100,000
Shares, Exercised 0 (1,750,000) 0
Shares, Cancelled (100,000) (100,000) 0
Shares, Balance 3,675,000 2,275,000 2,100,000
Shares, Ending exercisable 2,800,000 1,333,333  
Weighted Average Exercise Price, Balance $ 0.16 $ 0.10  
Weighted Average Exercise Price, Granted $ 0.40 $ 0.29 $ 0.10
Weighted Average Exercise Price, Cancelled $ 0.42    
Weighted Average Exercise Price, Balance $ 0.26 $ 0.16 $ 0.10
Weighted Average Exercise Price, exercisable $ 0.28 $ 0.13