Note 6 - Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 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		.50		-
Issued		-		-		-		-
Exercised		-		-		-		-
Outstanding and exercisable at March 31, 2023		4,268,221		2.18		.25		125,828

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

	March 31, 2023		March 31, 2022
Shares-to-be-issued, outstanding January 1, 2023 and 2022, respectively		2,440,673		2,066,343
Granted in current period		78,125		108,148
Issued in current period		-		-
Shares-to be issued outstanding March 31, 2023 and 2022, respectively		2,518,798		2,174,491

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		-		-		-		-
Options outstanding March 31, 2023		3,059,989		2.36		6.13		-
Exercisable, March 31, 2023		1,081,651		2.16		4.55		-

	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		4.99		-
Exercised during 2023		-		-		-		-
Options outstanding March 31, 2023		99,996		1.68		2.53		8,583
Exercisable, March 31, 2023		86,109		1.78		2.21		7,583

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		-			-
Vested		(192,835	)		-
Cancelled					-
Non-vested as March 31, 2023		242,458			1.33