Interim Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Interim Condensed Consolidated Balance Sheets [Abstract]
Allowance for doubtful accounts, trade receivable	$ 25	$ 25
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	60,000,000	60,000,000
Common stock, shares issued	23,198,001	23,543,746
Common stock, shares outstanding	23,198,001	23,543,746