CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Statement Of Financial Position [Abstract]
Property and equipment, accumulated depreciation	$ 2,585	$ 2,155
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	8,989,877	8,778,613
Common stock, shares outstanding	8,288,082	8,176,417
Treasury stock, shares	701,795	602,196