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PREPAID EXPENSES AND OTHER CURRENT ASSETS | 12 Months Ended
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Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
PREPAID EXPENSES AND OTHER CURRENT ASSETS |
3. | PREPAID EXPENSES AND OTHER CURRENT ASSETS
Prepaid expenses and other current assets are summarized as follows:
Prepaid expenses and other current assets |  |  |  |  |  |  |  |
|  | December 31, |
|  | 2021 |  |  | 2020 |
Prepaid insurance |  | $ | 65,653 |  |  | $ | 33,320 |
Vendor prepayments |  |  | 87,557 |  |  |  | 83,049 |
Related party receivable |  |  | 26,984 |  |  |  | 10,574 |
Cash due for warrant exercises |  |  | – |  |  |  | 194,450 |
Total prepaid expenses and other current assets |  | $ | 180,194 |  |  | $ | 321,393 |
Related party receivables as of December 31, 2021 and 2020 consisted primarily of payroll related taxes due for an employee option exercise.

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