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Related Party Transactions (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 30, 2016 | Mar. 31, 2016 | Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Related-Party Transactions (Textual) [Abstract] |  |  |  |  |
Revenue from related parties |  |  | $ 371,120 | $ 1,327,274 |
Director |  |  |  |  |
Related-Party Transactions (Textual) [Abstract] |  |  |  |  |
Accounts receivable |  |  | 256,000 |  | $ 425,000
Expenses to reimburse |  | $ 3,100,000 |  |  |
Term |  | 5 years |  |  |
Awarded amount | $ 6,100,000 |  |  |  |
Contra-research and development expense |  |  | 230,000 | 619,000 |
Operating expenses related to affiliated entity |  |  | 318,000 | 362,000 |
Accounts payable/accrued liabilities |  |  | 768,000 |  | 643,000
Deferred grant funding, from affiliate |  |  | 76,000 |  |
The Wistar Institute |  |  |  |  |
Related-Party Transactions (Textual) [Abstract] |  |  |  |  |
Awarded amount |  |  |  |  | 10,700,000
Awarded option amount |  |  |  |  | 6,000,000.0
Plumbline Life Sciences |  |  |  |  |
Related-Party Transactions (Textual) [Abstract] |  |  |  |  |
Revenue from related parties |  |  | 50,000 | $ 1,100,000 |
Accounts receivable |  |  | $ 80,000 |  | $ 67,000
Plumbline Life Sciences | Available-for-sale Securities |  |  |  |  |
Related-Party Transactions (Textual) [Abstract] |  |  |  |  |
Investment owned (in shares) |  |  | 597,808 |  |
Ownership percentage |  |  | 19.70% |  |

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