Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current Assets:
Allowance for doubtful accounts	$ 300	$ 301
Stockholders' Equity:
Common stock, par value	$ 0.00	$ 0.00
Common stock, shares authorized	75,000	75,000
Common stock, shares issued	30,747	30,744
Common stock, shares outstanding	30,747	30,744