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SHARE CAPITAL (Tables)

12 Months Ended

Dec. 31, 2012

SHARE CAPITAL [Abstract]

Schedule of Options and Restricted Stocks Granted

Year of grant				No. of options or restricted stock granted				Exercise price range				Vesting period		Fair value at grant (U.S. dollars in thousands)				Expiration period
	2010				1,016,000				$6.90			3 years commencing upon achievement of a certain milestone		$	5,673				10 years
	2010				428,000				$6.32-$9.66			4 years		$	2,147				10 years
	2012				400,000				n/a			3 years		$	2,288				n/a
	2012				1,100,000				n/a			4 years		$	6,292				n/a
					2,944,000

Schedule of Assumptions Used to Estimate Fair Value of Stock Option Award using Black-Scholes Valuation Model

		2010
Dividend yield			0	%
Expected volatility			75	%
Risk-free interest rate			3.23	%
Expected life - in years			8.8

Summary of Stock Option Activity - Options Granted to Employees

		Year ended December 31,
		2010								2011								2012
						Weighted								Weighted								Weighted
		Number				average				Number				average				Number				average
		of				exercise				of				exercise				of				exercise
		options				price				options				price				options				price
Outstanding at beginning of year			5,366,729			$	2.476				6,367,979			$	3.576				6,141,030			$	3.563
Changes during the year:
Granted			1,444,000				7.076
Forfeited and Expired			13,441				3.551				44,856				6.207				25,858				4.372
Exercised (*)			429,309				1.602				182,093				1.652				861,593				1.346
Outstanding at end of year			6,367,979			$	3.576				6,141,030			$	3.563				5,253,579			$	3.923
Exercisable at end of year			4,267,850			$	2.183				4,647,834			$	2.581				4,258,441			$	3.201

Summary of Restricted Stock Activity - Options Granted to Employees

Year ended December 31, 2012
		Number of Restricted Shares
Outstanding at beginning of year
Changes during the year:
Granted			1,500,000
Forfeited			3,208
Outstanding at end of year			1,496,792
Exercisable at end of year			102,084

Schedule of Options Granted to Service Providers

		Year ended December 31,
		2010								2011								2012
						Weighted								Weighted								Weighted
		Number				average				Number				average				Number				average
		of				exercise				of				exercise				of				exercise
		options				price				options				price				options				price
Outstanding at beginning of year			1,438,692			$	4.697				1,438,692			$	4.697				1,238,692			$	5.385
Changes during the year- Exercised (*)											200,000				0.001				326,267				0.12
Outstanding at end of year			1,438,692			$	4.697				1,238,692			$	5.385				912,425			$	7.259
Exercisable at end of year			1,421,734			$	4.653				1,235,567			$	5.385				912,425			$	7.259

Schedule of Information about Share Options Outstanding

December 31, 2012
Options and restricted stock outstanding												Options exercisable and restricted stock vested
Exercise prices				Number of Options and restricted stock outstanding at end of year				Weighted average remaining contractual life				Number of options exercisable and restricted stock vested at end of year				Weighted average remaining contractual life
	n/a (Restricted Stock)				1,496,792				n/a				102,084				n/a
$	0.001				719,207				2.54				719,207				2.54
$	0.120				447,850				1.05				447,850				1.05
$	0.399				23,087				1.92				23,087				1.92
$	0.972				996,353				3.44				996,353				3.44
$	2.350				40,000				5.82				40,000				5.82
$	2.650				402,882				6.15				396,744				6.15
$	3.020				50,000				5.10				50,000				5.10
$	5.000				1,708,000				5.10				1,708,000				5.10
$	6.810				160,000				7.10				110,000				7.10
$	6.900				1,003,083				7.15				168,083				7.15
$	7.550				160,000				7.66				90,000				7.66
$	9.660				68,000				7.83				34,000				7.83
$	16.700				387,542				3.99				387,542				3.99
					7,662,796								5,272,950

Schedule of Stock-Based Compensation Expense in Statement of Operations

		Year ended December 31,
(U.S. dollars in thousands)		2010				2011				2012
Cost of revenues										$	220
Research and development expenses		$	630			$	422				4,756
General and administrative expenses			652				464				2,775
		$	1,282			$	886			$	7,751

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