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Fair Value Measurement - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) | Dec. 31, 2025 | Dec. 31, 2024
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Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |
Equities | [1] | $ 1,390,290 | $ 529,984
U.S Treasury Bills | [2] | 349,038,044 | 233,445,264
FX forward contract | [1] | 21,538 | 60,879
Customer-held fractional shares |  | 172,309,953 | 108,252,531
Total financial assets |  | 522,759,825 | 342,288,658
Equity options | [3] | 1,115 | 2,196
Fractional share repurchase obligation | [3] | 172,309,953 | 108,252,531
Total financial liabilities | [3] | 172,311,068 | 108,254,727
Level 1 [Member] | Fair Value, Recurring [Member] |  |  |
Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |
Equities | [1] | 1,390,290 | 529,984
U.S Treasury Bills | [2] | 349,038,044 | 233,445,264
FX forward contract | [1] | 21,538 | 60,879
Customer-held fractional shares |  | 172,309,953 | 108,252,531
Total financial assets |  | 522,759,825 | 342,288,658
Equity options | [3] | 1,115 | 2,196
Fractional share repurchase obligation | [3] | 172,309,953 | 108,252,531
Total financial liabilities | [3] | 172,311,068 | 108,254,727
Level 2 [Member] | Fair Value, Recurring [Member] |  |  |
Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |
Equities | [1] |  |
U.S Treasury Bills | [2] |  |
Customer-held fractional shares |  |  |
Total financial assets |  |  |
Equity options | [3] |  |
Fractional share repurchase obligation | [3] |  |
Total financial liabilities | [3] |  |
Level 3 [Member] | Fair Value, Recurring [Member] |  |  |
Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis [Line Items] |  |  |
Equities | [1] |  |
U.S Treasury Bills | [2] |  |
Customer-held fractional shares |  |  |
Total financial assets |  |  |
Equity options | [3] |  |
Fractional share repurchase obligation | [3] |  |
Total financial liabilities | [3] |  |
[1] | Fair value of financial instruments owned are classified within prepaid expenses and other current assets on the consolidated statements of financial position.
[2] | Represents U.S. Treasury Bills with an original maturity of less than 90 days and are included within cash and cash equivalents segregated under federal and foreign requirements within our consolidated statements of financial position.
[3] | Fair value of obligation is classified within payables due to customers on the consolidated statements of financial position.

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/disclosureRef -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 3: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 + Details
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- Definition The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 320 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479035/940-320-45-2 + Details
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- Definition The fair value as of the balance sheet date of firm holdings in corporate stocks (common and preferred), stock options, warrants and any other financial instrument which represents, or provides the ability to obtain, ownership rights in a corporation. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 320 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479035/940-320-45-2 + Details
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- Definition The fair value as of the balance sheet date of firm holdings in all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments. Their value is derived from the values of one or more underlying assets, reference rates, or indices of asset values. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings. + References No definition available. + Details
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- Definition The fair value as of the balance sheet date of firm holdings in debt obligations issued by the US government including short-term Treasury bills, medium-term Treasury notes, and long-term Treasury bonds, as well as debt issued by agencies. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 320 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479035/940-320-45-2 + Details
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