Note 5 - Warrants (Q3) (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2020

Dec. 31, 2019

Warrants [Abstract]

Schedule of Outstanding Warrants

The following table summarizes the activity in our outstanding warrants since December 31, 2019:

	Number of Warrants			Weighted Average Exercise Price
December 31, 2019		327,253		$	8.89
Granted		871,630			2.11
Exercised		(224,793	)		2.03
Forfeited, Canceled		—			—
September 30, 2020		974,090		$	4.03

The following table sets forth the changes in the number of warrants outstanding for the periods presented:

	Number of Warrants			Weighted Average Exercise Price
Outstanding at December 31, 2017		710,174		$	8.95
Exercised		(18,405	)		3.00
Forfeited, Canceled		(163,715	)		3.34
Outstanding at December 31, 2018		528,054			10.90
Forfeited, Canceled		(200,801	)		14.18
Outstanding at December 31, 2019		327,253		$	8.89