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Equity (Tables)

12 Months Ended

Dec. 31, 2023

Equity

Summary of common stock purchase warrant transactions

		Number of Warrants				Exercise Prices
Balance December 31, 2021			669,467			$2.52-7.00
Expired			(185,304	)		$2.52-5.60
Exercised			(194,869	)		$2.52-5.60
Balance December 31, 2022 and 2023			289,294			$5.60-7.00

Summary of warrant Expirations

Shares				Exercise Price				Expiration Date
	235,722			$	5.60			October 15, 2024
	53,572			$	7.00			November 12, 2024
	289,294

Summary of fair value of stock option awards granted

		September 6, 2022				September 28, 2022
Fair value		$	505,476			$	41,799
Options issued			165,000				15,000
Exercise price		$	5.25			$	4.75
Expected term (in years)			3.0				3.0
Risk-free rate			3.55	%			4.12	%
Volatility			89.3	%			89.2	%

Summary of share-based Compensation, Stock Options, Activity

		Number of Options				Weighted Average Exercise Prices
Balance December 31, 2021			507,175			$	5.25
Granted			180,000			$	5.21
Exercised			(116,078	)		$	4.31
Expired			(7,143	)		$	1.96
Forfeited			(28,001	)		$	5.56
Balance December 31, 2022			535,953			$	5.47
Forfeited			(58,504	)		$	5.47
Outstanding and exercisable at December 31, 2023			477,449			$	5.47

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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