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Shareholders’ Equity | 12 Months Ended
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Dec. 31, 2021
Equity [Abstract] |
Shareholders’ Equity | (6) Shareholders’ Equity (a) Common Stock and Warrants During 2021, the Company received proceeds of $86,262 and issued 74,610 shares of common stock in connection with the exercise of outstanding options and warrants. During 2020, the Company received proceeds of $284,207 and issued 321,524 shares of common stock in connection with the exercise of outstanding options and warrants. (b) Options and Warrants (i) Employee Options In 2019, the shareholders approved the Company’s 2019 Equity Incentive Plan, which provides for the granting of both incentive stock options at the fair market value at the date of grant and nonqualified stock options at the fair market value at the date of grant to employees or non-employees who, in the determination of the Board of Directors, have made or may make significant contributions to the Company in the future. The Company may also award stock appreciation rights, restricted stock, or restricted stock units under this plan. The Company initially reserved 1,400,000 shares of its common stock for issuance under this plan, and 485,500 options and other awards were available for issuance under this plan as of December 31, 2021. At the discretion of the Board of Directors, options expire in ten years or less from the date of grant and are generally fully exercisable upon grant but in some cases may be subject to vesting in the future. Full payment of the exercise price may be made in cash or in shares of common stock valued at the fair market value thereof on the date of exercise, or by agreeing with the Company to cancel a portion of the exercised options. The Company granted 198,000 fully vested options during 2021 and recorded share-based compensation of $217,008. The Company granted 199,000 fully vested options during 2020 and recorded share-based compensation of $327,554. The Company valued these grants using the Black-Scholes option pricing model with the following weighted average assumptions: Schedule of Assumptions Used to Value Options Granted to Employees
|  | 2021 |  |  | 2020 |
Fair value on grant date |  | $ | 1.10 |  |  | $ | 1.65 |
Expected dividend yield |  |  | - |  |  |  | - |
Expected volatility |  |  | 79 | % |  |  | 73 | %
Risk free interest rate |  |  | 1.26 | % |  |  | 0.36 | %
Expected term of the option |  |  | 5 years |  |  |  | 5 years |
Activity for stock options is summarized below: All options are exercisable at December 31, 2021. Schedule of Option Activity
|  | Number of Shares |  |  | Weighted Average |  |  | Weighted Average Remaining Contractual Term |  |  | Aggregate Intrinsic |
|  | Subject to Option |  |  | Exercise Price |  |  | (Years) |  |  | Value |
Balance at January 1, 2020 |  |  | 1,548,351 |  |  | $ | 3.68 |  |  |  | 6.9 |  |  | $ | 603,683 |
Granted |  |  | 199,000 |  |  | $ | 2.79 |  |  |  |  |  |  |  |  |
Cancelled |  |  | - |  |  |  |  |  |  |  |  |  |  |  |  |
Exercised |  |  | (450,091 | ) |  | $ | 2.09 |  |  |  |  |  |  |  |  |
Balance at December 31, 2020 |  |  | 1,297,260 |  |  | $ | 4.09 |  |  |  | 5.8 |  |  | $ | 142,885 |
Granted |  |  | 198,000 |  |  | $ | 1.72 |  |  |  |  |  |  |  |  |
Cancelled |  |  | (155,050 | ) |  | $ | 5.38 |  |  |  |  |  |  |  |  |
Exercised |  |  | (140,500 | ) |  | $ | 2.48 |  |  |  |  |  |  |  |  |
Balance at December 31, 2021 |  |  | 1,199,710 |  |  | $ | 3.67 |  |  |  | 5.7 |  |  | $ | 21,870 |
(ii) Warrants and Non-Employee Options Activity in warrants is summarized below: Schedule of Warrant Activity
|  | Number of Shares Underlying |  |  | Weighted Average |
|  | Warrants Granted |  |  | Exercise Price |
Balance at January 1, 2020 |  |  | 1,483,143 |  |  | $ | 2.13 |
Exercised |  |  | (83,152 | ) |  |  | 3.42 |
Terminated |  |  | - |  |  |  |  |
Issued |  |  | - |  |  |  |  |
Balance at December 31, 2020 |  |  | 1,399,991 |  |  | $ | 2.27 |
Exercised |  |  | - |  |  |  |  |
Terminated |  |  | - |  |  |  |  |
Issued |  |  | - |  |  |  |  |
Balance at December 31, 2021 |  |  | 1,399,991 |  |  | $ | 2.27 |
In lieu of cash compensation, the Company has granted warrants to investors and non-employee options to consultants. These warrants and non-employee options vested ratably over various terms ranging from 12 to 59 months. The non-employee options are valued at fair value at the time that the related services are provided using the Black-Scholes option valuation model and marked to market quarterly using the Black-Scholes option valuation model. There are 1,399,991 warrants issued to investors that are outstanding that are accounted for as equity. Warrants and non-employee options generally expire in five years from the date of issuance. At December 31, 2021, all warrants and non-employee options outstanding were exercisable. (c) Restricted Stock Grants During 2021 and 2020, the Company did not issue restricted stock to its directors and employees.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 16 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496180-112644 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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