| Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
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|
March 31, 2025
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|
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|
(Level 1)
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(Level 2)
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(Level 3)
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|
| |
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Assets
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|
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|
|
|
|
|
|
|
|
|
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Cash equivalents (money market accounts)
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|
$ |
8,119,174 |
|
|
$ |
— |
|
|
$ |
— |
|
|
Marketable securities:
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|
|
|
|
|
|
|
|
|
|
|
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Commercial paper
|
|
$ |
— |
|
|
$ |
15,313,835 |
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|
$ |
— |
|
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U.S. treasury bonds
|
|
|
— |
|
|
|
5,977,760 |
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|
|
— |
|
|
U.S. government agency bonds
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|
|
— |
|
|
|
1,962,800 |
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|
|
— |
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Corporate debt securities
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|
|
— |
|
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1,488,405 |
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|
|
— |
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Total assets measured at fair value
|
|
$ |
8,119,174 |
|
|
$ |
24,742,800 |
|
|
$ |
— |
|
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|
December 31, 2024
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|
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|
(Level 1)
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|
|
(Level 2)
|
|
|
(Level 3)
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|
| |
|
|
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|
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|
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Assets
|
|
|
|
|
|
|
|
|
|
|
|
|
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Cash equivalents (money market accounts)
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|
$ |
7,559,336 |
|
|
$ |
— |
|
|
$ |
— |
|
|
Marketable securities:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Commercial paper
|
|
$ |
— |
|
|
$ |
18,032,943 |
|
|
$ |
— |
|
|
U.S. treasury bonds
|
|
|
— |
|
|
|
7,951,060 |
|
|
|
— |
|
|
U.S. government agency bonds
|
|
|
— |
|
|
|
3,938,520 |
|
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|
— |
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|
Total assets measured at fair value
|
|
$ |
7,559,336 |
|
|
$ |
29,922,523 |
|
|
$ |
— |
|
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| Marketable Securities [Table Text Block] |
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|
March 31, 2025
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Amortized Cost
|
|
|
Unrealized
gains
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|
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Unrealized
losses
|
|
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Fair Value
|
|
|
Commercial paper
|
|
$ |
15,311,824 |
|
|
$ |
2,800 |
|
|
$ |
(789 |
) |
|
$ |
15,313,835 |
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|
U.S. treasury bonds
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|
|
5,964,637 |
|
|
|
13,123 |
|
|
|
— |
|
|
|
5,977,760 |
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|
U.S. government agency bonds
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|
|
1,956,902 |
|
|
|
5,898 |
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|
|
— |
|
|
|
1,962,800 |
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Corporate debt securities
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|
|
1,488,214 |
|
|
|
191 |
|
|
|
— |
|
|
|
1,488,405 |
|
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Total
|
|
$ |
24,721,577 |
|
|
$ |
22,012 |
|
|
$ |
(789 |
) |
|
$ |
24,742,800 |
|
| |
|
December 31, 2024
|
|
| |
|
Amortized Cost
|
|
|
Unrealized
gains
|
|
|
Unrealized
losses
|
|
|
Fair Value
|
|
|
Commercial paper
|
|
$ |
18,019,334 |
|
|
$ |
16,393 |
|
|
$ |
(2,784 |
) |
|
$ |
18,032,943 |
|
|
U.S. treasury bonds
|
|
|
7,920,620 |
|
|
|
30,440 |
|
|
|
— |
|
|
|
7,951,060 |
|
|
U.S. government agency bonds
|
|
|
3,926,372 |
|
|
|
12,148 |
|
|
|
— |
|
|
|
3,938,520 |
|
|
Total
|
|
$ |
29,866,326 |
|
|
$ |
58,981 |
|
|
$ |
(2,784 |
) |
|
$ |
29,922,523 |
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|