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v3.23.1

Fair Value Measurements (Tables) | 3 Months Ended
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Mar. 31, 2023
Fair Value Measurements [Abstract] |
Schedule of estimated fair values |
|  | As of March 31, 2023 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Cash and securities segregated for regulatory purposes |  |  |  |  |  |  |  |  |  |  |  |
U.S. government securities |  | $ | 195,906,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 195,906,000 |
Securities owned, at fair value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government securities |  | $ | 6,856,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,856,000 |
Certificates of deposit |  |  | — |  |  |  | 194,000 |  |  |  | — |  |  |  | 194,000 |
Municipal securities |  |  | — |  |  |  | 166,000 |  |  |  | — |  |  |  | 166,000 |
Corporate bonds |  |  | — |  |  |  | 141,000 |  |  |  | — |  |  |  | 141,000 |
Equity securities |  |  | 54,000 |  |  |  | 198,000 |  |  |  | — |  |  |  | 252,000 |
Total Securities owned, at fair value |  | $ | 6,910,000 |  |  | $ | 699,000 |  |  | $ | — |  |  | $ | 7,609,000 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities sold, not yet purchased, at fair value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities |  | $ | 2,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,000 |
Total Securities sold, not yet purchased, at fair value |  | $ | 2,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,000 |
|  | As of December 31, 2022 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets |  |  |  |  |  |  |  |  |  |  |  |
Cash and securities segregated for regulatory purposes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government securities |  | $ | 140,978,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 140,978,000 |
Securities owned, at fair value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government securities |  | $ | 2,808,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,808,000 |
Certificates of deposit |  |  | — |  |  |  | 92,000 |  |  |  | — |  |  |  | 92,000 |
Municipal securities |  |  | — |  |  |  | 52,000 |  |  |  | — |  |  |  | 52,000 |
Corporate bonds |  |  | — |  |  |  | 7,000 |  |  |  | — |  |  |  | 7,000 |
Equity securities |  |  | 63,000 |  |  |  | 182,000 |  |  |  | — |  |  |  | 245,000 |
Total Securities owned, at fair value |  | $ | 2,871,000 |  |  | $ | 333,000 |  |  | $ | — |  |  | $ | 3,204,000 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities sold, not yet purchased, at fair value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities |  | $ | 2,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,000 |
Total Securities sold, not yet purchased, at fair value |  | $ | 2,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,000 |
Schedule of U.S. government securities with the below market values and maturity dates |
|  | As of March 31, 2023 |
Market value of U.S. government securities |  |  |  |
Maturing 05/18/2023, 2.791% Discount Rate |  |  | 9,942,000 |
Maturing 06/22/2023, 4.654% Discount Rate |  |  | 19,795,000 |
Maturing 07/25/2023, 4.762% Discount Rate |  |  | 19,705,000 |
Maturing 08/03/2023, 4.820% Discount Rate |  |  | 24,602,000 |
Maturing 08/31/2023, 1.375% Coupon Rate |  |  | 9,863,000 |
Maturing 09/21/2023, 4.382% Discount Rate |  |  | 14,000 |
Maturing 09/21/2023, 4.865% Discount Rate |  |  | 14,667,000 |
Maturing 09/28/2023, 4.709% Discount Rate |  |  | 4,000,000 |
Maturing 12/31/2023, 0.750% Coupon Rate |  |  | 63,093,000 |
Maturing 01/31/2024, 0.875% Coupon Rate |  |  | 24,211,000 |
Maturing 05/31/2024, 2.500% Coupon Rate |  |  | 9,775,000 |
Maturing 08/15/2024, 0.375% Coupon Rate |  |  | 2,841,000 |
Accrued interest |  |  | 254,000 |
Total Market value of investment in U.S. government securities |  | $ | 202,762,000 |
|  |  | As of December 31, 2022 |
Market value of U.S. government securities |  |  |  |
Maturing 03/23/2023, 3.750% Discount Rate |  | $ | 24,768,000 |
Maturing 05/18/2023, 2.700% Discount Rate |  |  | 9,831,000 |
Maturing 08/31/2023, 1.375% Coupon Rate |  |  | 9,777,000 |
Maturing 12/31/2023, 0.750% Coupon Rate |  |  | 62,497,000 |
Maturing 01/31/2024, 0.875% Coupon Rate |  |  | 23,995,000 |
Maturing 05/31/2024, 2.500% Coupon Rate |  |  | 9,707,000 |
Maturing 08/15/2024, 0.375% Coupon Rate |  |  | 2,808,000 |
Accrued interest |  |  | 404,000 |
Total Market value of investment in U.S. government securities |  | $ | 143,787,000 |
Schedule of estimated fair values |
|  | As of March 31, 2023 |  |  | As of December 31, 2022 |
Equity method investment in related party |  | $ | 2,622,000 |  |  | $ | 2,584,000 |

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