CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) In Thousands, except Share data	Jun. 30, 2011	Dec. 31, 2010
Allowance for doubtful accounts (in Dollars)	$ 100	$ 100
Common stock, par value (in Dollars per share)	$ 0.0033	$ 0.0033
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	7,192,500	7,192,500
Common stock, shares outstanding	6,940,517	6,789,917
Treasury stock, shares	251,983	402,583