Common Stock Reserved For Future Issuance (Tables)

9 Months Ended

Sep. 30, 2019

Common Stock Reserved for Future Issuance

Schedule of common Stock reserved for future issuance

	September 30,	December 31,
	2019	2018
Warrants for the purchase of Common Stock	6,193,749	4,202,449
Options outstanding to purchase Common Stock	843,183	433,389
Options available for future issuance to purchase Common Stock	468,123	877,917
Shares reserved for the employee stock purchase plan	112,481	76,011
Total	7,617,536	5,589,766