Condensed Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Common stock, Par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	200,000,000	100,000,000
Common stock, shares issued	85,559,556	85,511,607
Common stock, shares outstanding	85,559,556	85,511,607
Long Term Debt Current [Member]
Discount on debt	$ 184
Long Term Debt Noncurrent [Member]
Discount on debt	$ 848	$ 1,304