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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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