Summary Of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2019

Summary Of Significant Accounting Policies [Abstract]

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

	Six-Month Periods Ended
	June 30,
	2019		2018
Common stock warrants		213,485		249,709
Common stock options		3,172,303		2,894,103
Restricted stock units		111,305		222,606
Total		3,497,093		3,366,418