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SHARE CAPITAL AND STOCK OPTIONS (Summary of warrants and options) (Details) (USD $)
Jun. 30, 2012
Oct. 18, 2010
Oct. 12, 2009
Jul. 31, 2009
Stockholders Equity Note [Line Items]        
Warrants exercise price per share   $ 1.8 $ 1.6 $ 1.5
Warrants for common stock 13,750,968      
Warrants exercisable 13,750,968      
Options for common stock 2,358,172      
Options exercisable 2,343,172      
Total warrants and options 16,109,140      
Total exercisable warrants and options 16,094,140      
Restricted stock not included in summary of options and warrants 2,151,276      
$1.00 [Member]
        
Stockholders Equity Note [Line Items]        
Warrants for common stock 2,002,245      
Warrants exercisable 2,002,245      
Warrants weighted average remaining contractual term (in years) 1.41      
$1.00 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 1.0      
$1.00 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 1.0      
$1.20 [Member]
        
Stockholders Equity Note [Line Items]        
Warrants for common stock 6,250      
Warrants exercisable 6,250      
Warrants weighted average remaining contractual term (in years) 0.3      
$1.20 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 1.2      
$1.20 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 1.2      
$1.25 to $1.28 [Member]
        
Stockholders Equity Note [Line Items]        
Warrants for common stock 687,072      
Warrants exercisable 678,072      
Warrants weighted average remaining contractual term (in years) 0.51      
$1.25 to $1.28 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 1.25      
$1.25 to $1.28 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 1.28      
$1.40 to $1.50 [Member]
        
Stockholders Equity Note [Line Items]        
Warrants for common stock 1,768,040      
Warrants exercisable 1,768,040      
Warrants weighted average remaining contractual term (in years) 2.33      
$1.40 to $1.50 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 1.4      
$1.40 to $1.50 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 1.5      
$1.60 [Member]
        
Stockholders Equity Note [Line Items]        
Warrants for common stock 181,221      
Warrants exercisable 181,221      
Warrants weighted average remaining contractual term (in years) 2.78      
$1.60 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 1.6      
$1.60 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 1.6      
$1.80 to $1.91 [Member]
        
Stockholders Equity Note [Line Items]        
Warrants for common stock 3,538,240      
Warrants exercisable 3,538,240      
Warrants weighted average remaining contractual term (in years) 2      
$1.80 to $1.91 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 1.8      
$1.80 to $1.91 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 1.91      
$2.50 [Member]
        
Stockholders Equity Note [Line Items]        
Warrants for common stock 12,900      
Warrants exercisable 12,900      
Warrants weighted average remaining contractual term (in years) 0.47      
$2.50 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 2.5      
$2.50 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 2.5      
$4.20 [Member]
        
Stockholders Equity Note [Line Items]        
Warrants for common stock 5,060,000      
Warrants exercisable 5,060,000      
Warrants weighted average remaining contractual term (in years) 4.09      
$4.20 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 4.2      
$4.20 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 4.2      
$5.00 [Member]
        
Stockholders Equity Note [Line Items]        
Warrants for common stock 495,000      
Warrants exercisable 495,000      
Warrants weighted average remaining contractual term (in years) 0.43      
$5.00 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 5.0      
$5.00 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Warrants exercise price per share 5.0      
$0.00 [Member]
        
Stockholders Equity Note [Line Items]        
Options for common stock 110,000      
Options exercisable 95,000      
Options end of the period 7.51      
$0.00 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 0.0      
$0.00 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 0.0      
$0.62 [Member]
        
Stockholders Equity Note [Line Items]        
Options for common stock 471,612      
Options exercisable 471,612      
Options end of the period 6.02      
$0.62 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 0.62      
$0.62 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 0.62      
$1.04 to $1.45 [Member]
        
Stockholders Equity Note [Line Items]        
Options for common stock 86,956      
Options exercisable 86,956      
Options end of the period 3.67      
$1.04 to $1.45 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 1.04      
$1.04 to $1.45 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 1.45      
$2.97 [Member]
        
Stockholders Equity Note [Line Items]        
Options for common stock 20,000      
Options exercisable 20,000      
Options end of the period 5.86      
$2.97 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 2.97      
$2.97 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 2.97      
$3.50 [Member]
        
Stockholders Equity Note [Line Items]        
Options for common stock 920,000      
Options exercisable 920,000      
Options end of the period 4.49      
$3.50 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 3.5      
$3.50 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 3.5      
$3.72 to $3.80 [Member]
        
Stockholders Equity Note [Line Items]        
Options for common stock 31,550      
Options exercisable 31,550      
Options end of the period 4.44      
$3.72 to $3.80 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 3.72      
$3.72 to $3.80 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 3.8      
$4.00 [Member]
        
Stockholders Equity Note [Line Items]        
Options for common stock 42,500      
Options exercisable 42,500      
Options end of the period 4.3      
$4.00 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 4.0      
$4.00 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 4.0      
$4.38 to $4.00 [Member]
        
Stockholders Equity Note [Line Items]        
Options for common stock 456,804      
Options exercisable 456,804      
Options end of the period 4.93      
$4.38 to $4.00 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 4.38      
$4.38 to $4.00 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 4.4      
$6.80 [Member]
        
Stockholders Equity Note [Line Items]        
Options for common stock 36,250      
Options exercisable 36,250      
Options end of the period 5.37      
$6.80 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 6.8      
$6.80 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 6.8      
$8.20 [Member]
        
Stockholders Equity Note [Line Items]        
Options for common stock 40,000      
Options exercisable 40,000      
Options end of the period 3.63      
$8.20 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 8.2      
$8.20 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 8.2      
$20.00 [Member]
        
Stockholders Equity Note [Line Items]        
Options for common stock 142,500      
Options exercisable 142,500      
Options end of the period 3.98      
$20.00 [Member] | Minimum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 20.0      
$20.00 [Member] | Maximum [Member]
        
Stockholders Equity Note [Line Items]        
Options exercise price per share 20.0