CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
CONDENSED CONSOLIDATED BALANCE SHEETS
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 454	$ 460
Common stock, shares authorized	43,000,000	43,000,000
Common stock, shares issued	18,566,899	18,516,115
Common stock, shares outstanding	18,566,899	18,516,115