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FAIR VALUE MEASUREMENTS | 3 Months Ended
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Mar. 31, 2026
FAIR VALUE MEASUREMENTS |
FAIR VALUE MEASUREMENTS | 2. FAIR VALUE MEASUREMENTS The Company measures certain assets and liabilities in accordance with ASC Topic 820, Fair Value Measurement. Assets and liabilities recorded at fair value in the balance sheet are categorized based upon the level of judgment associated with the inputs used to measure their fair value. The categories are as follows:
Level Input: | ​ ​ ​ | Input Definition:
Level I |  | Inputs are unadjusted, quoted prices for identical assets or liabilities in active markets at the measurement date.
Level II |  | Inputs, other than quoted prices included in Level I, that are observable for the asset or liability through corroboration with market data at the measurement date.
Level III |  | Unobservable inputs that reflect management’s best estimate of what market participants would use in pricing the asset or liability at the measurement date.
​ The valuation techniques used to determine the fair value of the Company’s Level II financial instruments, which consist primarily of U.S. government agency securities, commercial papers, and corporate bonds, are based on quoted market prices for similar instruments or model-driven valuations utilizing significant inputs derived from or corroborated by observable market data. ​ ​ ​ The following table summarizes the fair value measurements by level at March 31, 2026 and December 31, 2025 for assets and liabilities measured at fair value on a recurring basis: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2026
​ | ​ ​ ​ | Level I | ​ ​ ​ | Level II | ​ ​ ​ | Level III | ​ ​ ​ | Total
Cash equivalents | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Money market funds | ​ | $ | 14,258,075 | ​ | $ | — | ​ | $ | — | ​ | $ | 14,258,075
U.S. treasuries | ​ | ​ | 7,977,770 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 7,977,770
U.S. government agencies | ​ | ​ | — | ​ | ​ | 1,992,780 | ​ | ​ | — | ​ | ​ | 1,992,780
Commercial papers | ​ | ​ | — | ​ | ​ | 31,934,010 | ​ | ​ | — | ​ | ​ | 31,934,010
Marketable securities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. treasuries | ​ | ​ | 54,389,145 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 54,389,145
U.S. government agencies | ​ | ​ | — | ​ | ​ | 41,066,671 | ​ | ​ | — | ​ | ​ | 41,066,671
Corporate bonds | ​ | ​ | — | ​ | ​ | 40,205,983 | ​ | ​ | — | ​ | ​ | 40,205,983
Commercial papers | ​ | ​ | — | ​ | ​ | 37,526,631 | ​ | ​ | — | ​ | ​ | 37,526,631
Total financial assets | ​ | $ | 76,624,990 | ​ | $ | 152,726,075 | ​ | $ | — | ​ | $ | 229,351,065
​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2025
​ | ​ ​ ​ | Level I | ​ ​ ​ | Level II | ​ ​ ​ | Level III | ​ ​ ​ | Total
Cash equivalents | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Money market funds | ​ | $ | 12,907,814 | ​ | $ | — | ​ | $ | — | ​ | $ | 12,907,814
Marketable securities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. treasuries | ​ | ​ | 30,281,603 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 30,281,603
Total financial assets | ​ | $ | 43,189,417 | ​ | $ | — | ​ | $ | — | ​ | $ | 43,189,417
​ ​ Carrying amounts reported in the balance sheet of cash and cash equivalents, receivables, prepaid expenses and other current assets, accounts payable, accrued expenses, and deferred revenue approximate fair value due to their relatively short maturity. The carrying amounts of the Company’s marketable securities are based on market quotations from national exchanges at the balance sheet date. Interest and dividend income are recognized separately on the income statement based on classifications provided by the brokerage firm holding the investments. The fair value of borrowings is not considered to be significantly different from its carrying amount because the stated rates for such debt reflect current market rates and conditions.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 107 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-107 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 940 -SubTopic 820 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478119/940-820-50-1 + Details
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