CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2016	Dec. 31, 2015
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	18,141,098	18,077,594
Common stock, shares outstanding	16,651,622	16,588,118
Treasury stock, shares	1,489,476	1,489,476