CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Property and equipment, accumulated depreciation	$ 4,365	$ 3,687
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	9,823,881	9,425,309
Common stock, shares outstanding	8,847,754	8,630,687
Treasury stock, shares	976,127	794,622