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SHAREHOLDERS' EQUITY (Status of the Company's Share Option Plans)(Details) (USD $)	12 Months Ended			236 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012
Share options
Outstanding - beginning of year	1,575,814	1,631,072	1,827,862
Granted	452,494	444,237	490,500
Exercised	131,922	436,601	557,407	3,834,167
Cancelled	52,039	62,894	129,883	4,280,037
Outstanding - year end	1,844,347	1,575,814	1,631,072	1,844,347
Options exercisable at year-end	867,134	634,252	697,336	867,134
Weighted average exercise price
Outstanding - beginning of year	$ 4.84	$ 2.96	$ 1.99
Granted	$ 7.98	$ 8.81	$ 5.66
Exercised	$ 2.03	$ 2.12	$ 2.45
Forfeited	$ 7.1	$ 4.05	$ 1.73
Outstanding - year end	$ 5.75	$ 4.84	$ 2.96	$ 5.75
Options exercisable at year-end	$ 3.86	$ 2.95	$ 2.23	$ 3.86

X

- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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