| Schedule of amortized cost, fair value of investments, and related gross unrealized gains/(losses) |
| | | | | | | | | | | | | | | | | | Gross | | Gross | | | | | | Amortized | | Unrealized | | Unrealized | | | | | | Cost | | Gains | | Losses | | Fair Value | March 31, 2023 | | | | | | | | | | | | | Corporate bonds | | $ | 1,500,000 | | $ | — | | $ | (9,116) | | $ | 1,490,884 | U.S. government treasuries | | | 489,265 | | | 8,280 | | | — | | | 497,545 | Total investments | | $ | 1,989,265 | | $ | 8,280 | | $ | (9,116) | | $ | 1,988,429 | | | | | | | | | | | | | | Allowance for credit losses | | | (5,000) | | | | | | | | | | Total investments, net | | $ | 1,984,265 | | | | | | | | | | | | | | | | | | | | | | | December 31, 2022 | | | | | | | | | | | | | Corporate bonds | | $ | 1,500,000 | | $ | — | | $ | (1,924) | | $ | 1,498,076 | U.S. government treasuries | | | 489,265 | | | 2,665 | | | — | | | 491,930 | Total investments | | $ | 1,989,265 | | $ | 2,665 | | $ | (1,924) | | $ | 1,990,006 |
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