XML 28 R18.htm IDEA: XBRL DOCUMENT
v3.23.3

Stockholders’ Equity | 9 Months Ended
--- | ---
Sep. 30, 2023
Equity [Abstract] |
Stockholders’ Equity | 12. Stockholders’ Equity Common Stock As of September 30, 2023, 4,073,757 shares of common stock were issued and outstanding, 255,958 shares of common stock were reserved for issuance upon the exercise of outstanding warrants, and 497,330 shares of common stock were reserved for issuance under our 2015 Equity Incentive Plan, as amended (the “2015 Plan”). The following table describes the shares and warrants issued as part of our 2022 and 2020 private placements: Schedule of Shares and Warrants Issued
Issuance of Common Stock |  | Issue Date |  | Shares Issued |  |  | Price per share |  |  | Warrants Issued |  |  | Warrant Exercise Price |  |  | Warrant Fair Value |
Private Placement 2022 |  | April 1, 2022 |  |  | 1,242,588 |  |  | $ | 4.62 |  |  |  | 124,258 |  |  | $ | 4.62 |  |  | $ | 3.91 |
Private Placement 2020 |  | March 2, 2020 |  |  | 955,000 |  |  | $ | 4.00 |  |  |  | 95,500 |  |  | $ | 4.00 |  |  | $ | 3.90 |
Amortization of the debt issuance costs for the Private Placement 2020 offering was recorded at $4,150 and $21,439 for the three and nine months ended September 30, 2023, and at $25,935 and $77,804 for the three and nine months ended September 30, 2022. Warrants The following sets forth the warrants to purchase our common stock that were outstanding as of September 30, 2023: Schedule of Warrants to Purchase Common Stock
Warrants Outstanding |  | Warrant Exercise Price |  |  | Warranty Expiry
124,258 |  | $ | 4.62 |  |  | March 30, 2027
95,500 |  | $ | 4.00 |  |  | March 30, 2027
16,000 |  | $ | 9.00 |  |  | March 30, 2027
17,200 |  | $ | 12.50 |  |  | March 30, 2027
3,000 |  | $ | 15.00 |  |  | March 30, 2027
The estimated value of the warrants issued during the nine months ended September 30, 2022, as well as the assumptions that were used in calculating such values, were based on estimates at the issuance date in the table below. Schedule of Estimated Values of Warrants Valuation Assumptions
|  | Warrants Issued |
|  | April 1, 2022 |
Risk-free interest rate |  |  | 2.55 | %
Weighted average expected term |  |  | 5 years |
Expected volatility |  |  | 116.32 | %
Expected dividend yield |  |  | 0.00 | %

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for equity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-13 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-14 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481062/946-235-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481062/946-235-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481004/946-505-50-6 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480237/815-40-50-6 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//505/tableOfContent Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-13 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-13 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-13 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-14 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-14 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-16 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-18 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-18 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-18 + Details
Name: | us-gaap_StockholdersEquityNoteDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration