CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 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 (in shares)	47,500,000	47,500,000
Common stock, shares issued (in shares)	35,530,042	30,633,302
Common stock, shares outstanding (in shares)	35,509,248	30,612,508
Common shares held in Treasury Stock (in shares)	20,794	20,794