Condensed Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Allowance for doubtful accounts (in Dollars)	$ 215	$ 289
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	8,278,491	8,117,849
Common stock, shares outstanding	6,824,355	6,724,280
Treasury stock, shares	1,454,136	1,393,569