CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Property and equipment, accumulated depreciation	$ 3,030	$ 2,720
Common stock, par value (dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	9,415,560	9,010,255
Common stock, shares outstanding	8,601,754	8,308,460
Treasury stock, shares	813,806	701,795