Leases - Lease cost (Details)	3 Months Ended	6 Months Ended
Mar. 31, 2020 USD ($) item	Mar. 31, 2020 USD ($) item
Lease cost
Amortization of right-of-use assets	$ 75,000	$ 150,000
Interest on lease liabilities	361,033	733,256
Total finance lease cost	436,033	883,256
Operating lease cost	43,625	87,250
Total lease cost	$ 479,658	$ 970,506
Land and building
Leases
Number of lease renewal options \| item	2	2
Lessee, Finance Lease, Renewal Term	5 years	5 years
Laboratory equipment \| Minimum
Leases
Finance lease term	12 months	12 months
Finance lease interest (as a percent)	4.00%	4.00%
Laboratory equipment \| Maximum
Leases
Finance lease term	36 months	36 months
Finance lease interest (as a percent)	13.00%	13.00%

Total amount of lease cost recognized by lessee for finance lease contract.

No definition available.

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Balance Type:	debit
Period Type:	duration

- Definition

The number of lease renewal options.

+ References

No definition available.

+ Details

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- Definition

Amount of interest expense on finance lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

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-Name Accounting Standards Codification
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+ Details

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Period Type:	duration

- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

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+ Details

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- References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Discount rate used by lessee to determine present value of finance lease payments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

+ Details

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- Definition

Term of lessee's finance lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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-Topic 842
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+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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-URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971

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+ Details

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- Details

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