Equity (Tables)

3 Months Ended

Mar. 31, 2020

Equity [Abstract]

Schedule of Stockholders' Equity Note, Warrants or Rights

the three months ended March 31, 2020, the Company did not have any exercised or canceled warrants.

	Number of Warrants
	Equity classified	Liability classified	Total	Weighted average exercise price
Outstanding at March 31, 2020	8,437,747	22,988,501	31,426,248	$	1.12

Schedule of Authorized Shares of Common Stock for Future Issuance

The Company has authorized shares of common stock for future issuance as follows:

	Period ending
	March 31, 2020	December 31, 2019
Exercise of common and pre-funded warrants	31,426,248	31,426,248
Shares available for future stock incentive awards	5,048,316	1,765,018
Unvested restricted stock units	170,313	181,250
Outstanding common stock options	7,745,936	6,796,669
Total	44,390,813	40,169,185