Note 10 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Share-based Payment Arrangement, Option, Activity [Table Text Block]

	Options			Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Term (Years)
Balance at December 31, 2020		2,585,500		$	0.19		9.2
Granted		99,260,000		$	0.06
Expired/Cancelled		(18,700,625	)	$	0.07
Exercised		-			-
Balance at September 30, 2021		83,144,875		$	0.06		6.7

Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

	RSU’s			Weighted-Average Issuance Price
Balance at December 31, 2020		845,106		$	0.14
Granted		-		$	-
Expired/Cancelled		(540,576	)	$	0.13
Vested		(220,728	)	$	0.09
Balance at September 30, 2021		83,802		$	0.13

Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of revenue	$	11	$	2	$	18	$	6
General and administrative		303		83		511		240
Sales and marketing		122		19		214		120
Research and development		121		23		199		83
Total	$	557	$	127	$	942	$	449