CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Allowance for doubtful accounts (in dollars)	$ 186	$ 207
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	47,500,000	47,500,000
Common stock, shares issued	32,554,880	30,633,302
Common stock, shares outstanding	32,534,086	30,612,508
Common shares held in Treasury Stock	20,794	20,794