SHARE CAPITAL (Narrative) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended								1 Months Ended					12 Months Ended	0 Months Ended
	Feb. 29, 2012	Mar. 23, 2011	Dec. 31, 2012	Jun. 17, 2012	Jun. 16, 2012	Feb. 22, 2012	Dec. 31, 2011	Dec. 31, 2010	Feb. 28, 2010 Officers And Certain Employees [Member]	Nov. 30, 2010 Executive Officer [Member]	Sep. 30, 2010 Executive Officer [Member]	Feb. 28, 2010 Executive Officer [Member]	Sep. 30, 2010 Employees [Member]	Dec. 31, 2012 Employees [Member]	Jul. 16, 2012 Restricted Stock [Member] Officers And Certain Employees [Member]	Jul. 16, 2012 Restricted Stock [Member] Employees [Member]	Jul. 16, 2012 Restricted Stock [Member] Officers And Directors In Private Transaction [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Underwritten public offering, common stock issued and sold		4,000,000	93,489,809			5,175,000	85,630,157									400,000
Underwritten public offering, common stock price per share		$ 5.5				$ 5.25
Underwritten public offering, net proceeds from issuance	$ 25,400	$ 20,600
Underwritten public offering, commissions and issuance costs	1,800	1,400
Shares of common stock approved for grant				11,341,655	9,741,655				1,016,000	68,000	160,000	160,000	40,000		1,500,000
Common stock shares granted														2,944,000			1,100,000
Common stock available for issuance			176,986
Exercise price									$ 6.9	$ 9.66	$ 7.55	$ 6.81
Shares of common stock issued, lock up period															24 months
Number of installments for vesting of stock															16	12
Vesting period										4 years	4 years	4 years	4 years
Fair value of common stock at grant date			$ 8,600					$ 7,800								$ 8,600