| Schedule of Other Assets |
| | | | | | | December 31, | | 2021 | | 2020 | | | | | | | | Patent applications pending | | $ | 2,717,701 | | $ | 2,970,354 | Patents issued | | | 2,641,603 | | | 1,748,938 | Less accumulated amortization of patents issued | | | (657,320) | | | (496,898) | Patents, net | | | 4,701,984 | | | 4,222,394 | Security deposits | | | 256,591 | | | 125,892 | Total | | $ | 4,958,575 | | $ | 4,348,286 |
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