Stockholders’ Equity (Deficit) (Tables)

3 Months Ended

Mar. 31, 2023

Stockholders' Equity Note [Abstract]

Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

The following table summarizes the options outstanding at March 31, 2023 and the related prices for the options to purchase shares of the Company’s common stock:

						Weighted				Weighted
				Weighted		average				average
				average		exercise				exercise
Range of		Number of		remaining		price of		Number of		price of
exercise		options		contractual		outstanding		options		exercisable
prices		outstanding		life (years)		options		exercisable		options
$	1.50- 16.00		215,881		7.94	$	9.39		129,148	$	7.73
			215,881		7.94	$	9.39		129,148	$	7.73

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

Transactions involving stock options are summarized as follows:

	Shares			Weighted- Average Exercise Price ($) (A)
Outstanding at December 31, 2022		310,692		$	10.01
Granted		-		$	-
Expired		(94,811	)	$	11.44
Outstanding at March 31, 2023		215,881		$	9.39
Options vested and exercisable		129,148		$	7.73

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

The following table summarizes the warrants outstanding on March 31, 2023, and the related prices for the warrants to purchase shares of the Company’s common stock:

	Shares		Weighted- Average Exercise Price ($)
Outstanding on December 31, 2022		672,334	$	30.68
Granted		-	$	-
Exercised		-	$	-
Outstanding on March 31, 2023		672,334	$	30.68