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Related Party Transactions - Narrative (Details) ₩ in Billions |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 27, 2020 USD ($) shares | Aug. 27, 2020 KRW (₩) shares | Nov. 30, 2016 USD ($) | Mar. 31, 2016 USD ($) | Jan. 31, 2016 | May 31, 2015 | Sep. 30, 2020 USD ($) shares | Sep. 30, 2019 USD ($) | Mar. 31, 2014 | Sep. 30, 2020 USD ($) shares | Sep. 30, 2019 USD ($) | Dec. 31, 2010 USD ($) | Feb. 20, 2020 shares | Dec. 31, 2019 USD ($)
Related-Party Transactions (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of stock |  |  |  |  |  |  |  |  |  | $ 329,960,855 | $ 3,425,065 |  |  |
Revenue from related parties |  |  |  |  |  |  | $ 236,178 | $ 866,863 |  | 1,830,639 | 3,832,442 |  |  |
GeneOne Life Sciences |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related-Party Transactions (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) | shares | 1,644,155 | 1,644,155 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of stock | $ 40,100,000 | ₩ 47.4 |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable | 128,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts payable/accrued liabilities | $ 511,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Payment received for license granted |  |  |  |  |  |  |  |  |  |  |  | $ 3,000,000.0 |  |
Term |  |  |  |  |  |  |  |  | 20 years |  |  |  |  |
Milestone-based ownership target |  |  |  |  | 35.00% | 35.00% |  |  |  |  |  |  |  |
Revenue from related parties |  |  |  |  |  |  | 94,000 | 94,000 |  | 31,000 | 31,000 |  |  |
Operating expenses related to affiliated entity |  |  |  |  |  |  | 1,600,000 | 232,000 |  | 4,400,000 | 2,100,000 |  |  |
Plumbline Life Sciences |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related-Party Transactions (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable |  |  |  |  |  |  | 40,000 |  |  | 40,000 |  |  |  | $ 589,000
Revenue from related parties |  |  |  |  |  |  | $ 83,000 | 22,000 |  | $ 1,300,000 | 86,000 |  |  |
Plumbline Life Sciences | Available-for-sale Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related-Party Transactions (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment owned (in shares) | shares |  |  |  |  |  |  | 597,808 |  |  | 597,808 |  |  |  |
Investment owned, additional shares acquired (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  | 202,050 |
Director |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related-Party Transactions (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts receivable |  |  |  |  |  |  | $ 443,000 |  |  | $ 443,000 |  |  |  | 616,000
Accounts payable/accrued liabilities |  |  |  |  |  |  | 795,000 |  |  | 795,000 |  |  |  | $ 219,000
Term |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |
Operating expenses related to affiliated entity |  |  |  |  |  |  | 411,000 | 313,000 |  | 1,200,000 | 1,100,000 |  |  |
Expenses to reimburse |  |  |  | $ 3,100,000 |  |  |  |  |  |  |  |  |  |
Awarded amount |  |  | $ 6,100,000 |  |  |  |  |  |  |  |  |  |  |
Contra-research and development expense |  |  |  |  |  |  | 1,000,000.0 | $ 482,000 |  | 1,700,000 | $ 1,700,000 |  |  |
Deferred grant funding, from affiliate |  |  |  |  |  |  | $ 173,000 |  |  | $ 173,000 |  |  |  |
Plumbline Life Sciences |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related-Party Transactions (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  | 19.90% |  |  | 19.90% |  |  |  |

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