CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Allowance for doubtful accounts	$ 100	$ 100
Common stock, par value	$ 0.0033	$ 0.0033
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	8,049,622	7,192,479
Common stock, shares outstanding	7,956,410	7,069,267
Treasury stock, shares	93,212	123,212