Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2016

Shareholders' Equity

Schedule Of Stock Reserved For Future Issuance

	At December 31,
	2016	2015
Exercise of outstanding stock options	285,999	461,050
Exercise of outstanding stock warrants	895,968	895,968
Future granting of option and stock awards	2,421,120	2,642,346
Future stock purchases through ESPP	197,066	233,879
	3,800,153	4,233,243