Summary Of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2019

Summary Of Significant Accounting Policies [Abstract]

Anti-Dilutive Shares Excluded From Computation Of Diluted Net Loss Per Share

	Three-Month Periods Ended
	March 31,
	2019		2018
Common stock warrants		213,485		249,709
Common stock options		2,871,770		2,598,754
Restricted stock units		222,606		229,774
Total		3,307,861		3,078,237