Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Summary of Significant Accounting Policies

Schedule of potentially dilutive common shares that have not been included in the net loss per common share calculations because the effect would have been anti-dilutive

	Year Ended December 31,
	2018	2017	2016
Stock options	866,132	723,747	681,248
Restricted stock	3,552	6,445	3,333
	869,684	730,192	684,581