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v3.25.1

Note 2 - Cash, Cash Equivalents, and Investments - Major Security Type (Details) - USD ($) | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Cash and cash equivalent, fair value |  | $ 5,064,941 |  | $ 6,506,750
Cash, adjusted cost |  | 1,542,566 |  | 926,287
Money Market Funds, adjusted cost | [1] | 3,522,375 |  | 5,580,463
Cash and cash equivalents, adjusted cost |  | 5,064,941 |  | 6,506,750
Corporate Bonds, allowance for credit loss |  | 0 |  | 0
Corporate Bonds, gross unrealized holding gains |  | 0 |  | 0
Corporate Bonds, gross unrealized holding losses |  | (382) |  | (149)
Total, fair value |  | 7,349,031 |  | 9,263,178
Total, adjusted |  | 7,349,413 |  | 9,263,327
Cash [Member] |  |  |  |
Cash and cash equivalent, fair value |  | 1,542,566 |  | 926,287
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |
Cash and cash equivalent, fair value | [1] | 3,522,375 |  | 5,580,463
Short-term Corporate Bonds [Member] |  |  |  |
Corporate Bonds, adjusted cost | [2],[3] | 2,284,472 |  | 2,756,577
Short-term Corporate Bonds [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |  |
Corporate Bonds, fair value | [2],[3] | 2,284,090 | [4],[5] | 2,756,428
Corporate Bonds, allowance for credit loss | [2],[3] | 0 |  | 0
Corporate Bonds, gross unrealized holding gains | [2],[3] | 0 |  | 0
Corporate Bonds, gross unrealized holding losses | [2],[3] | $ (382) |  | $ (149)
[1] | All our money market funds were invested in U.S. Government money market funds.
[2] | For the three months ended September 30, 2024 and 2023, the Company received discounts of $9,023 and $1,148 to purchase held-to-maturity investment securities, respectively. For the nine months ended September 30, 2024 and 2023, the Company received discounts of $70,495 and $33,982 to purchase held-to-maturity investment securities, respectively. For the year ended December 31, 2023, the Company received discounts of $39,012 to purchase held-to-maturity investment securities.
[3] | The Company considers the decline in market value of its investment portfolio to be temporary in nature. As of September 30, 2024 and December 31, 2023, the Company did not consider any of its investments to be other-than-temporarily impaired and no allowance for credit losses was recorded.
[4] | For the three months ended June 30, 2024 and 2023, the Company received discounts of $31,357 and $17,601 to purchase held-to-maturity investment securities, respectively. For the six months ended June 30, 2024 and 2023, the Company received discounts of $61,472 and $32,834 to purchase held-to-maturity investment securities, respectively. For the year ended December 31, 2023, the Company received discounts of $39,012 to purchase held-to-maturity investment securities.
[5] | The Company considers the declines in market value of its investment portfolio to be temporary in nature. As of September 30, 2024 and December 31, 2023, the Company did not consider any of its investments to be other-than-temporarily impaired and no allowance for credit losses was recorded.

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 605 -Name Accounting Standards Codification -Section 55 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477548/944-605-55-14 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 605 -Name Accounting Standards Codification -Section 55 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477548/944-605-55-11 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479168/946-830-55-12 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 45 -Paragraph 21 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477796/946-210-45-21 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 20 -SubTopic 210 -Topic 946 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477796/946-210-45-20 + Details
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- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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