Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Weighted Average Shares and Share Equivalents Used to Calculate Basic and Diluted Earnings Per Share

The following weighted average shares and share equivalents were used to calculate basic and diluted earnings per share for the years ended December 31, 2015 2014 and 2013:

	Year Ended December 31,
	2015		2014		2013
Weighted average number of shares outstanding used to calculate basic EPS		4,022		4,278		4,737
Dilutive securities:
Stock options and restricted share units		233		157		125
Weighted average number of shares and share equivalents outstanding used to calculate diluted EPS		4,255		4,435		4,862

Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following stock options and restricted share units issued under equity incentive plans were outstanding during the years ended December 31, 2015, 2014 and 2013; however, they were not included in the computation of diluted earnings per share because the effect would have been anti-dilutive.

	Year Ended December 31,
	2015		2014		2013
Anti-dilutive securities		50		757		157