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SHARE CAPITAL (Disclosures about Stock Issuances) (Details) (USD $) | 6 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 Months Ended | 12 Months Ended
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Jun. 30, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Jul. 29, 2011 | May 31, 2011 | Apr. 29, 2011 | Mar. 31, 2011 | Jan. 31, 2011 | Dec. 30, 2010 | Dec. 16, 2010 | Jan. 31, 2009 | Oct. 07, 2008 | Sep. 27, 2008 | Dec. 14, 2006 | Oct. 05, 2006 | Aug. 15, 2006 | Jun. 30, 2006 | Jun. 16, 2006 | Mar. 31, 2006 | Jan. 26, 2006 | May 31, 2005 | Apr. 05, 2005 | Jan. 14, 2005 | Nov. 25, 2004 | Mar. 16, 2004 | Jul. 29, 2011 Placement Agent [Member] | May 31, 2011 Placement Agent [Member] | Apr. 29, 2011 Placement Agent [Member] | Mar. 31, 2011 Placement Agent [Member] | Jan. 31, 2011 Placement Agent [Member] | Dec. 30, 2010 Placement Agent [Member] | Dec. 16, 2010 Placement Agent [Member] | Dec. 31, 2011 Placement Agent [Member] | Dec. 31, 2010 Placement Agent [Member]
SHARE CAPITAL [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of issuance |  |  |  |  | $ 1,685,500 | $ 213,750 | $ 250,000 | $ 567,300 | $ 102,000 | $ 300,000 | $ 3,016,250 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares sold |  |  |  |  | 269,680 | 34,200 | 40,000 | 90,768 | 16,320 | 48,000 | 482,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued, price per share |  |  | $ 6.25 |  | $ 6.25 | $ 6.25 | $ 6.25 | $ 6.25 | $ 6.25 | $ 6.25 | $ 6.25 | $ 6.02 | $ 5.52 | $ 5.52 | $ 4.31 | $ 4.31 | $ 3.91 | $ 3.63 | $ 3.63 | $ 3.63 | $ 1.47 | $ 3.37 | $ 1.72 | $ 1.72 | $ 1.72 | $ 1.76 |  |  |  |  |  |  |  |  |
Share-based Goods and Nonemployee Services Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of warrants issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26,968 | 3,420 | 4,000 | 9,077 | 1,632 | 4,800 | 48,260 | 45,097 | 83,281
Exercise price | $ 6.25 | $ 6.25 |  | $ 5.52 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6.25 | $ 6.25 | $ 6.25 | $ 6.25 | $ 6.25 | $ 6.25 | $ 6.25 |  |
Payments of issuance costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 219,115 | $ 27,788 | $ 32,500 | $ 73,749 | $ 13,260 | $ 39,000 | $ 392,112 |  |

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