Warrants (Tables)

3 Months Ended

Mar. 31, 2022

Warrants and Rights Note Disclosure [Abstract]

Schedule of Outstanding Warrants to Purchase the Company's Common Stock

As of March 31, 2022 and December 31, 2021, the outstanding warrants to purchase the Company’s common stock were comprised of the following:

	Equity Upon Exercise (After Conversion)	Exercise Price		Expiration Date	March 31, 2022	December 31, 2021
					(unaudited)
Warrants issued in 2015	Common stock	$	5.25	1/30/25	3,808	3,808
Warrants issued with 2018 Convertible Notes	Common stock	$	0.10	6/7/28	346,689	346,689
Warrants issued with 2018 Term Loan	Common stock	$	16.67	7/31/28	26,998	26,998
Warrants issued with 2019 Credit Agreement	Common stock	$	16.67	5/20/29	419,992	419,992
Total Warrants					797,487	797,487