CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets
Accounts receivable allowance for doubtful accounts	$ 250	$ 278
Stockholders' equity:
Common stock, par value per share	$ 0.001	$ 0.001
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	230,293,141	230,293,141
Common stock, shares outstanding	230,293,141	230,293,141