Accrued Other Liabilities - Schedule of Accrued Other Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Sep. 30, 2019
Accrued Liabilities Current [Abstract]
Accrued professional fees	$ 232	$ 434
Accrued clinical study expense	2,588	2,163
Accrued purchases	686	679
Acquisition of in process research and development	146	989
Due to customers	438	19
Operating lease liability, current portion	397
Deferred rent, current portion		130
Other	216	376
Accrued other liabilities	$ 4,703	$ 4,790

Accrued clinical study expense current

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- Definition

Accrued purchases current.

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- Definition

Acquisition of in process research and development current.

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- Definition

Other accrued liabilities other current.

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- Definition

Amount payable to customer by broker-dealer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Rule 15c3-1
-Number 240
-Section 15c3-1

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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-SubTopic 10
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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for contractual rent under lease arrangements. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
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- Definition

Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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