CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
CONSOLIDATED BALANCE SHEETS
Par value of shares of common stock (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares	100,000,000	100,000,000
Common stock, issued shares	18,063,000	17,849,000
Common stock, outstanding shares	18,063,000	17,849,000
Treasury stock, shares	1,244,000	1,101,000