CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
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	7,192,479	7,192,479
Common stock, shares outstanding	6,940,517	6,940,517
Treasury stock, shares	251,962	251,962