Condensed Consolidated Balance Sheets (September 30, 2011 unaudited) (Parentheticals) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
Trade receivables, allowance (in Dollars)	$ 2,461	$ 1,788
Preferred stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,250,000	1,250,000
Preferred stock, shares issued	0	0
Common stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	12,500,000	12,500,000
Common stock, shares issued	8,177,516	8,045,078
Common stock, shares outstanding	7,766,579	7,634,141
Treasury stock, shares	410,937	410,937