Condensed Consolidated Interim Statements of Shareholders' Equity (Unaudited) (USD $) | Common Stock [Member] | Additional Paid in Capital [Member] | Deficit Accumulated During Exploration Stage [Member] | Contributed Surplus [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Total |
Balance at May. 31, 2004 | $0 | $0 | $0 | $0 | $0 | $0 |
Balance (in shares) at May. 31, 2004 | 0 | ' | ' | ' | ' | ' |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | ' | ' | ' | ' | ' | ' |
Capital issued for financing | 139,933 | 47,476,898 | 0 | 0 | 0 | 47,616,831 |
Capital issued for financing (in shares) | 139,933,078 | ' | ' | ' | ' | ' |
Capital issued for services | 5,342 | 10,160,732 | 0 | 0 | 0 | 10,166,074 |
Capital issued for services (in shares) | 5,342,304 | ' | ' | ' | ' | ' |
Capital issued from stock options and warrants exercised | 8,736 | 16,611,175 | ' | -4,078,272 | ' | 12,541,639 |
Capital issued from stock options and warrants exercised (in shares) | 8,735,987 | ' | ' | ' | ' | ' |
Capital issued for mineral properties | 17,679 | 16,197,567 | 0 | 0 | 0 | 16,215,246 |
Capital issued for mineral properties (in shares) | 17,678,519 | ' | ' | ' | ' | ' |
Capital issued on settlement of notes payable | 39 | 105,541 | 0 | 0 | 0 | 105,580 |
Capital issued on settlement of notes payable (in shares) | 39,691 | ' | ' | ' | ' | ' |
Returned to treasury | -61,660 | 61,660 | 0 | 0 | 0 | 0 |
Returned to treasury (in shares) | -61,660,000 | ' | ' | ' | ' | ' |
Fair value of warrants | 0 | 0 | 0 | 12,073,546 | 0 | 12,073,546 |
Stock based compensation | 0 | 0 | 0 | 6,442,812 | 0 | 6,442,812 |
Transition adjustment (Note 2) | 0 | 0 | -12,637,875 | -3,612,864 | ' | -16,250,739 |
Foreign currency translation | 0 | 0 | 0 | 0 | -443,675 | -443,675 |
Net Loss | 0 | 0 | -48,549,222 | 0 | 0 | -48,549,222 |
Balance at Jun. 30, 2010 | 110,069 | 90,613,573 | -61,187,097 | 10,825,222 | -443,675 | 39,918,092 |
Balance (in shares) at Jun. 30, 2010 | 110,069,579 | ' | ' | ' | ' | ' |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | ' | ' | ' | ' | ' | ' |
Capital issued for financing | 19 | 23,970 | 0 | 0 | 0 | 23,989 |
Capital issued for financing (in shares) | 19,395 | ' | ' | ' | ' | ' |
Capital issued from stock options and warrants exercised | 4,154 | 10,219,361 | 0 | -1,053,645 | 0 | 9,169,870 |
Capital issued from stock options and warrants exercised (in shares) | 4,153,085 | ' | ' | ' | ' | ' |
Capital issued for acquisition | 22,007 | 28,807,756 | 0 | 314,790 | 0 | 29,144,553 |
Capital issued for acquisition (in shares) | 22,007,453 | ' | ' | ' | ' | ' |
Stock based compensation | 0 | 0 | 0 | 1,200,875 | 0 | 1,200,875 |
Foreign currency translation | 0 | 0 | 0 | 0 | 492,405 | 492,405 |
Unrealized loss on available for sale securities | 0 | 0 | 0 | 0 | -30,945 | -30,945 |
Net Loss | 0 | 0 | -28,450,536 | 0 | 0 | -28,450,536 |
Balance at Jun. 30, 2011 | 136,249 | 129,664,660 | -89,637,633 | 11,287,242 | 17,785 | 51,468,303 |
Balance (in shares) at Jun. 30, 2011 | 136,249,512 | ' | ' | ' | ' | ' |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | ' | ' | ' | ' | ' | ' |
Capital issued for financing | 10,418 | 20,335,755 | 0 | 0 | 0 | 20,346,173 |
Capital issued for financing (in shares) | 10,417,776 | ' | ' | ' | ' | ' |
Capital issued from stock options and warrants exercised | 346 | 600,873 | 0 | -313,792 | 0 | 287,427 |
Capital issued from stock options and warrants exercised (in shares) | 345,315 | ' | ' | ' | ' | ' |
Capital issued for mineral properties | 400 | 963,600 | 0 | 0 | 0 | 964,000 |
Capital issued for mineral properties (in shares) | 400,000 | ' | ' | ' | ' | ' |
Stock based compensation | 0 | 0 | 0 | 1,918,724 | 0 | 1,918,724 |
Foreign currency translation | 0 | 0 | 0 | 0 | -113,460 | -113,460 |
Unrealized loss on available for sale securities | 0 | 0 | 0 | 0 | 30,945 | 30,945 |
Net Loss | 0 | 0 | -12,091,608 | 0 | 0 | -12,091,608 |
Balance at Jun. 30, 2012 | 147,413 | 151,564,888 | -101,729,241 | 12,892,174 | -64,730 | 62,810,504 |
Balance (in shares) at Jun. 30, 2012 | 147,412,603 | ' | ' | ' | ' | ' |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | ' | ' | ' | ' | ' | ' |
Capital issued from stock options and warrants exercised | 8,319 | 17,208,447 | 0 | -542,974 | 0 | 16,673,792 |
Capital issued from stock options and warrants exercised (in shares) | 8,318,465 | ' | ' | ' | ' | ' |
Stock based compensation | 0 | 0 | 0 | 1,234,115 | 0 | 1,234,115 |
Foreign currency translation | 0 | 0 | 0 | 0 | -4,210 | -4,210 |
Net Loss | 0 | 0 | -13,488,280 | 0 | 0 | -13,488,280 |
Balance at Jun. 30, 2013 | 155,732 | 168,773,335 | -115,217,521 | 13,583,315 | -68,940 | 67,225,921 |
Balance (in shares) at Jun. 30, 2013 | 155,731,068 | ' | ' | ' | ' | 155,731,068 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | ' | ' | ' | ' | ' | ' |
Stock based compensation | 0 | 0 | 0 | 97,466 | 0 | 97,466 |
Foreign currency translation | 0 | 0 | 0 | 0 | -34,504 | -34,504 |
Unrealized loss on available for sale securities | 0 | 0 | 0 | 0 | 104,793 | 104,793 |
Net Loss | 0 | 0 | -1,964,927 | 0 | 0 | -1,964,927 |
Balance at Sep. 30, 2013 | 155,732 | 168,773,335 | -117,182,448 | 13,680,781 | 1,349 | 65,428,749 |
Balance (in shares) at Sep. 30, 2013 | 155,731,068 | ' | ' | ' | ' | ' |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | ' | ' | ' | ' | ' | ' |
Capital issued from stock options and warrants exercised (in shares) | ' | ' | ' | ' | ' | 0 |
Stock based compensation | 0 | 0 | 0 | 23,370 | 0 | 23,370 |
Foreign currency translation | 0 | 0 | 0 | 0 | 10,875 | 10,875 |
Unrealized loss on available for sale securities | 0 | 0 | 0 | 0 | -108,591 | -108,591 |
Net Loss | 0 | 0 | -2,526,290 | 0 | 0 | -2,526,290 |
Balance at Dec. 31, 2013 | $155,732 | $168,773,335 | ($119,708,738) | $13,704,151 | ($96,367) | $62,828,113 |
Balance (in shares) at Dec. 31, 2013 | 155,731,068 | ' | ' | ' | ' | 155,731,068 |