Debt instrument covenant compliance revenue targeted for fiscal year.

No definition available.

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- Definition

Contractual deferred interest rate during interest only payments for funds borrowed, under the debt agreement.

+ References

No definition available.

+ Details

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- Definition

Additional interest rate on all outstanding obligations during the occurrence and continuance of an event of default.

+ References

No definition available.

+ Details

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- Definition

Final fee as a percentage of the amount of principal outstanding upon repayment.

+ References

No definition available.

+ Details

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- Definition

Prepayment fee period of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Debt instrument required payment in year three.

+ References

No definition available.

+ Details

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- Definition

Debt instrument required payment in year two.

+ References

No definition available.

+ Details

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- Definition

Period of time between issuance and maturity of debt instrument of interest only payments, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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-Section 50
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-SubTopic 20
-Section 55
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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

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Notes Payable - Term Loan Agreement - Additional Information (Detail) - USD ($)	1 Months Ended		6 Months Ended
	Mar. 31, 2019	Dec. 31, 2016	Jun. 30, 2019	Dec. 31, 2018
Common Stock [Member]
Debt Instrument
Exercise price of warrants		$ 8.06	$ 4.35
Number of shares issuable for warrants outstanding (in shares)		528,958
CRG [Member] \| Term Loan Agreement [Member]
Debt Instrument
Debt instrument, required payment in December 31, 2021			$ 23,200,000
Debt instrument, required payment in December 31, 2022			$ 23,200,000
Proceeds from issuance of long-term debt		$ 40,000,000
Debt term (in years)		6 years
Debt instrument, term of interest-only payments (in years)		4 years
Final fee as a percentage of the principal outstanding (as a percent)		8.00%
Annual fixed rate (as a percent)		11.50%
Deferred interest rate (as a percent)		3.50%
Debt instrument, prepayment fee term (in years)		5 years
Debt instrument covenant compliance revenue targeted for fiscal year	$ 9,000,000
Additional interest rate, event of default (as a percent)			4.00%
Derivative liability			$ 2,500,000	$ 2,100,000