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Equity (Tables)

3 Months Ended

Mar. 31, 2022

Equity (Tables)

Common Stock Purchase Warrant Transactions

The activity in stock purchase warrants is as follows:		Number of Warrants				Exercise Prices
Balance December 31, 2020			426,788			$2.52-5.60
Issued			289,294			$5.60-7.00
Exercised			(46,615	)			$2.52
Balance December 31, 2021			669,467			$2.52-7.00
Exercised			(23,057	)		$2.52-5.60
Balance March 31, 2022			646,410			$2.52-7.00

Warrant Expirations


These warrants expire as follows:		Shares				Exercise Price				Expiration Date
			13,228			$	2.52			April 21, 2022
			343,888			$	5.60			August 28, 2022
			235,722			$	5.60			October 14, 2023
			53,572			$	7.00			November 12, 2023
			646,410