Fixed monthly lease payments for remainder of fiscal year.

No definition available.

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- Definition

Number of additional extension of lease terms.

+ References

No definition available.

+ Details

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- Definition

The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property by the lessor or lessee, respectively.

+ References

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- Definition

Amount of cost for defined contribution plan.

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- Definition

Amount of interest expense on finance lease liability.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Area of land subject to a ground lease.

+ References

No definition available.

+ Details

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Period Type:	instant

- References

No definition available.

+ Details

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- References

No definition available.

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Balance Type:	na
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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 842
-SubTopic 20
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Period Type:	instant

- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Term of lessee's operating 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
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- Definition

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

+ References

+ Details

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- References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Cash payments to lessor's for use of assets under operating leases.

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Commitments and contingencies (Details)	1 Months Ended	12 Months Ended
Commitments and contingencies (Details)	May 31, 2017 ft² item	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Aug. 31, 2020 USD ($)
Future minimum lease payments
Rent expenses		$ 400,000	$ 300,000
Capital leases
Interest expense		18,000	60,000
Defined contribution		74,000	61,000
Office and laboratory space
Operating leases
Lease term	62 months
Space of leased area \| ft²	11,000
Number of additional extension of lease terms \| item	2
Additional lease term	5 years
Deferred rent		16,000	18,000
Future minimum lease payments
2021		349,000
2022		153,000
Total		502,000
Lab equipment
Operating leases
Lease term				1 year
Fixed monthly payments				$ 18,000
Capital leases
Interest expense		$ 7,000	$ 60,000