Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Dilutive and Antidilutive Options

The dilutive and antidilutive options are shown separately in the table below:

Year Ended December 31,	2012		2011		2010
Additional shares		730,000		1,082,000		1,234,000
Antidilutive options		2,602,000		1,249,800		1,642,600