| Schedule of Income before Income Tax, Domestic and Foreign |
| | | | | | | | | | | | Year Ended December 31, | | | 2021 | | 2020 | | 2019 | Domestic | | $ | (18,829,797) | | $ | (5,682,628) | | $ | (11,921,799) | Foreign | | | (6,464,854) | | | (3,281,634) | | | (8,436,291) | Total | | $ | (25,294,651) | | $ | (8,964,262) | | $ | (20,358,090) |
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| Schedule of Components of Income Tax Expense (Benefit) |
| | | | | | | | | | | | Year Ended December 31, | | | 2021 | | 2020 | | 2019 | State Tax, including sale of New Jersey losses & credits | | $ | 736,003 | | $ | 1,127,074 | | $ | 1,092,446 | Foreign tax provision | | | — | | | — | | | — | | | $ | 736,003 | | $ | 1,127,074 | | $ | 1,092,446 |
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| Schedule of Deferred Tax Assets and Liabilities |
| | | | | | | | | | | | Year Ended December 31, | | | 2021 | | 2020 | | 2019 | Deferred tax assets: | | | | | | | | | | Net operating loss carry forward | | $ | 27,190,654 | | $ | 22,301,154 | | $ | 20,843,902 | Stock options | | | 1,203,272 | | | 305,982 | | | 329,726 | Research and development credit carryforward | | | 2,687,591 | | | 2,194,211 | | | 1,720,558 | Accruals and others | | | 232,665 | | | 135,330 | | | 56,461 | Lease liability | | | 3,997,114 | | | 289,287 | | | 300,991 | Gross deferred tax assets | | | 35,311,296 | | | 25,225,964 | | | 23,251,638 | Less valuation allowance | | | (31,242,130) | | | (24,794,474) | | | (22,857,741) | | | | 4,069,166 | | | 431,490 | | | 393,897 | Deferred tax liability: | | | | | | | | | | Fixed assets | | | (4,069,166) | | | (431,490) | | | (393,897) | Net deferred tax assets | | $ | — | | $ | — | | $ | — |
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