| Marketable securities |
2.
Marketable securities
| Schedule of marketable securities |
|
|
|
|
|
|
|
|
| |
|
As of March 31, 2024 |
| |
|
Amortized Cost |
|
Gross Unrealized Gains |
|
Gross Unrealized Losses |
|
Fair Value |
| |
|
|
|
|
|
|
|
|
| Marketable Securities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Corporate Bonds |
|
$ |
1,002,050 |
|
|
$ |
12,697 |
|
|
$ |
(32,143 |
) |
|
$ |
982,604 |
|
| Total Marketable Securities |
|
$ |
1,002,050 |
|
|
$ |
12,697 |
|
|
$ |
(32,143 |
) |
|
$ |
982,604 |
|
| |
|
As of 12/31/2023 |
| |
|
Amortized Cost |
|
Gross Unrealized Gains
|
|
Gross Unrealized Losses
|
|
Fair Value |
| |
|
|
|
|
|
|
|
|
| Marketable Securities |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Corporate Bonds |
|
$ |
4,473,033 |
|
|
$ |
50,878 |
|
|
$ |
(60,969 |
) |
|
$ |
4,462,942 |
|
| Total Marketable Securities |
|
$ |
4,473,033 |
|
|
$ |
50,878 |
|
|
$ |
(60,969 |
) |
|
$ |
4,462,942 |
|
Assets and liabilities measured at fair value on a
recurring basis based on Level 1 and Level 2 fair value measurement criteria as of March 31, 2024 and December 31, 2023 are as follows:
| Schedule of assets and liabilities measured at fair value |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Fair
Value Measurements Using |
| |
|
Balance
as of
March 31, 2024 |
|
Quoted
Prices in
Active Markets for
Identical Assets
(Level 1) |
|
Significant
Other
Observable Inputs
(Level 2) |
|
Significant
Nonobservable
(Level 3) |
| Marketable
securities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Corporate
Bonds |
|
$ |
982,604 |
|
|
$ |
— |
|
|
$ |
982,604 |
|
|
$ |
— |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total
marketable securities |
|
$ |
982,604 |
|
|
$ |
— |
|
|
$ |
982,604 |
|
|
$ |
— |
|
| |
|
Fair
Value Measurements Using |
| |
|
Balance
as of
December 31, 2023 |
|
Quoted
Prices in
Active Markets for
Identical Assets
(Level 1) |
|
Significant
Other
Observable Inputs
(Level 2) |
|
Significant
Non-observable Inputs
(Level 3) |
| Marketable
securities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Corporate
Bonds |
|
$ |
4,462,942 |
|
|
$ |
— |
|
|
$ |
4,462,942 |
|
|
$ |
— |
|
| |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
| Total
marketable securities |
|
$ |
4,462,942 |
|
|
$ |
— |
|
|
$ |
4,462,942 |
|
|
$ |
— |
|
The Company’s investments in corporate bonds,
commercial paper and certificates of deposits are measured based on quotes from market makers for similar items in active markets.
|