Note 6 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

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

	Warrant shares outstanding			Weighted Average exercise price		Weighted Average remaining life		Intrinsic value
Outstanding at January 1, 2023		4,268,221			2.18		0.50		-
Issued		-			-		-		-
Exercised		-			-		-		-
Expired or cancelled		(3,953,649	)		-		-		-
Outstanding and exercisable at September 30, 2023		314,572			0.50		0.35		132,120

Deferred Compensation Arrangement with Individual, Share-based Payments [Table Text Block]

	September 30, 2023		September 30, 2022
Shares-to-be-issued, outstanding January 1, 2023 and 2022, respectively		2,440,673		2,066,343
Granted in current period		368,387		108,148
Issued in current period		-		(147,338	)
Shares-to be issued outstanding September 30, 2023 and 2022, respectively		2,809,060		2,027,153

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

	Number of Options			Weighted Averaged Exercise Price $		Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Options Value $
Options outstanding January 1, 2023		3,059,989			2.36		6.38		-
Granted during 2023		-			-		-		-
Exercised during 2023		-			-		-		-
Forfeited or expired during 2023		(18,000	)		-		-		-
Options outstanding September 30, 2023		3,041,989			2.29		5.66		-
Exercisable, September 30, 2023		1,469,651			2.37		4.97		-

	Number of Options			Weighted Averaged Exercise Price $		Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Options Value $
Options outstanding January 1, 2023		91,663			1.75		2.55		1,083
Granted during 2023		8,333			0.89		4.46		222
Expired during 2023		(8,333	)		0.75		-		-
Options outstanding September 30, 2023		91,663			1.76		2.25		8,000
Exercisable, September 30, 2023		77,776			1.89		1.93		6,777

Restricted Stock [Member]

Notes Tables

Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]

	Number of Shares			Weighted Average Grant-Date Fair Value per Award
Non-vested as January 1, 2023		435,293			1.18
Granted		617,978			0.89
Vested		(540,164	)		-
Cancelled		(30,676	)		-
Non-vested as September 30, 2023		482,431			0.91