CONSOLIDATED BALANCE SHEET (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Stockholders’ equity:
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	34,777,000	37,906,000
Common stock, shares outstanding (in shares)	34,777,000	37,906,000