STOCK OPTIONS: Stock option activity (Details) (USD $)
3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended
Jun. 30, 2013
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2011
Jun. 30, 2013
Stock Options 1 [Member]
Mar. 31, 2013
Stock Options 1 [Member]
Jun. 30, 2013
Stock Options 2 [Member]
Mar. 31, 2013
Stock Options 2 [Member]
Jun. 30, 2013
Stock Options 3 [Member]
Mar. 31, 2013
Stock Options 3 [Member]
Jun. 30, 2013
Stock Option 4 [Member]
Mar. 31, 2013
Stock Option 4 [Member]
Jun. 30, 2013
Stock Option 5 [Member]
Mar. 31, 2013
Stock Option 5 [Member]
Jun. 30, 2013
Vested 1 [Member]
Mar. 31, 2013
Vested 1 [Member]
Jun. 30, 2013
Vested 2 [Member]
Mar. 31, 2013
Vested 2 [Member]
Jun. 30, 2013
Vested 3 [Member]
Mar. 31, 2013
Vested 3 [Member]
Jun. 30, 2013
Vested 4 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                          
Options Outstanding 3,675,000 2,275,000 2,100,000 0 1,650,000 1,650,000 100,000 100,000 300,000 300,000 1,500,000 125,000 125,000 100,000              
Weighted Average Exercise Price, Options Outstanding $ 0.26 $ 0.16 $ 0.10   $ 0.10 $ 0.10 $ 0.27 $ 0.27 $ 0.28 $ 0.28 $ 0.40 $ 0.42 $ 0.42 $ 0.44 $ 0.10 $ 0.10 $ 0.27 $ 0.27 $ 0.28 $ 0.28 $ 0.40
Weighted Average Grant-Date Stock Price, Options Outstanding         $ 1.00 $ 1.00 $ 0.27 $ 0.27 $ 0.27 $ 0.27 $ 0.40 $ 0.42 $ 0.42 $ 0.44              
Options vested                             1,075,000 1,075,000 25,000 58,333 200,000 200,000 1,500,000
Weighted Average Grant-Date Stock Price, Vested                             $ 1.00 $ 1.00 $ 0.27 $ 0.27 $ 0.27 $ 0.27 $ 0.40
Shares, Ending exercisable 2,800,000 1,333,333