Interim Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Allowance for doubtful accounts trade receivable	$ 25	$ 25
Stockholders' equity:
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	60,000,000	60,000,000
Common stock, shares issued	23,346,704	22,524,449
Common stock, shares outstanding	23,346,704	22,524,449