7. Stock Option Plans and Agreements (Details 1)	6 Months Ended
Jun. 30, 2020 USD ($) $ / shares shares
Share-based Payment Arrangement [Abstract]
Number of options outstanding, beginning \| shares	10,910,500
Number of options granted \| shares	575,000
Number of options forfeited \| shares	(25,000)
Number of options expired \| shares	(335,000)
Number of options outstanding, ending \| shares	11,125,500
Number of options vested or expected to vest \| shares	11,125,500
Number of options exercisable \| shares	10,525,500
Weighted average exercise price outstanding, beginning \| $ / shares	$ .05
Weighted average exercise price granted \| $ / shares	.06
Weighted average exercise price forfeited \| $ / shares	.05
Weighted average exercise price expired \| $ / shares	.15
Weighted average exercise price outstanding, ending \| $ / shares	.05
Weighted average exercise price vested or expected to vest \| $ / shares	.05
Weighted average exercise price exercisable \| $ / shares	$ .05
Weighted-average remaining contractual term outstanding	3 years 8 months 12 days
Weighted-average remaining contractual term vested or expected to vest	3 years 8 months 12 days
Weighted-average remaining contractual term exercisable	3 years 8 months 12 days
Aggregate intrinsic value outstanding \| $	$ 507,600
Aggregate intrinsic value vested or expected to vest \| $	507,600
Aggregate intrinsic value exercisable \| $	$ 485,600

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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 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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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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

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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 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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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. 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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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for 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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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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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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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. 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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Number of share options (or share units) exercised during the current period.

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