Employee Stock Compensation Plans (Details 1) - USD ($)	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Employee Stock Compensation Plans
Number of options outstanding, beginning	5,390,000	5,513,000
Number of options granted	50,000	2,360,000
Number of options exercised	(1,486,500)	(114,250)
Number of options expired	0	(2,360,000)
Number of options forfeited	(125,000)	(8,750)
Number of options outstanding, ending	3,828,500	5,390,000
Number of options exercisable, ending	2,576,000	3,227,500
Weighted average exercise price outstanding, beginning	$ 0.42	$ 0.49
Weighted average exercise price granted	0.51	0.60
Weighted average exercise price exercised	0.31	0.26
Weighted average exercise price expired	0.31	0.77
Weighted average exercise price forfeited		0.20
Weighted average exercise price outstanding, ending	0.47	0.42
Weighted average exercise price exercisable, ending	$ 0.41	$ 0.34
Aggregate intrinsic value outstanding	$ 1,034,000	$ 1,034,000
Aggregate intrinsic value exercisable	$ 899,000	$ 899,000

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Weighted average price of options that were either forfeited or expired.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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