Note 9 - Equity (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Common Stock Outstanding Roll Forward [Table Text Block]

	Common Stock
Shares outstanding at December 31, 2020		180,089,613
Shares issued pursuant to payment of stock dividend on Series A Preferred		1,911,587
Shares issued pursuant to payment of stock dividend on Series A-1 Preferred		1,789,587
Shares issued pursuant to Series D conversion to Common Stock		11,149,123
Shares issued pursuant to Series A conversion to Common Stock		74,562,000
Shares issued pursuant to Series A-1 conversion to Common Stock		73,910,000
Shares issued pursuant to warrant exercises		400
Shares issued to secure financing facility		1,000,000
Shares issued for cash		1,000,000
Shares issued as compensation in lieu of cash		921,218
Shares issued pursuant to RSU vesting		860,729
Shares outstanding at September 30, 2021		347,194,257

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

	Warrants			Weighted-Average Exercise Price
Balance at December 31, 2020		753,775		$	0.17
Granted		3,000,000		$	0.07
Expired / Canceled		(603,375	)	$	0.01
Exercised		(400	)	$	0.01
Balance at September 30, 2021		3,150,000		$	0.10