CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] - $ / shares	Jun. 30, 2015	Dec. 31, 2014
Serial preferred stock, shares authorized	5,000,000	5,000,000
Serial preferred stock, outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	26,881,000	25,337,000
Common stock, shares outstanding	26,881,000	25,337,000
Treasury stock, shares	1,544,000	1,544,000