The amount of cash paid for royalties during the current period.

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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.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

+ References

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Distribution agreement additional term.

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Distribution agreement term.

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Number of installments.

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Payment for distribution fees.

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- Definition

Percentage of royalty expense based on net sales.

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- Definition

Percentage of royalty rate payable on sales.

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Related Party Transactions - Additional Information (Detail)		1 Months Ended	3 Months Ended		9 Months Ended
	Nov. 29, 2019 USD ($) Installment	Dec. 31, 2004 USD ($) shares	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)
Related Party Transaction [Line Items]
Percentage of royalty expense based on net sales			1.00%	1.00%	1.00%	1.00%
Chindex Shanghai International Trading Company Limited
Related Party Transaction [Line Items]
Distribution agreement term	5 years
Distribution agreement additional term	5 years
Number of installments \| Installment	3
Chindex Shanghai International Trading Company Limited \| First Installment
Related Party Transaction [Line Items]
Distribution fees payment					$ 0
Chindex Shanghai International Trading Company Limited \| Upfront Fees
Related Party Transaction [Line Items]
Distribution fees	$ 3,500,000
Chindex Shanghai International Trading Company Limited \| Upfront Fees \| First Installment
Related Party Transaction [Line Items]
Distribution fees	1,500,000
Chindex Shanghai International Trading Company Limited \| Upfront Fees \| Second Installment
Related Party Transaction [Line Items]
Distribution fees	1,000,000.0
Chindex Shanghai International Trading Company Limited \| Upfront Fees \| Third Installment
Related Party Transaction [Line Items]
Distribution fees	$ 1,000,000.0
University Of Florida Research Foundation \| Licensing Agreements
Related Party Transaction [Line Items]
Common Stock granted in exchange for licensing \| shares		33,652
Percentage of royalty payment based on sale		1.00%
University Of Florida Research Foundation \| Licensing Agreements \| Minimum
Related Party Transaction [Line Items]
Royalty payment per quarter		$ 100,000
University Of Florida Research Foundation \| Licensing Agreements \| Cost of Revenue
Related Party Transaction [Line Items]
Royalty Expense			$ 100,000	$ 200,000	$ 500,000	$ 600,000