Class of warrant or rights period from which warrants or rights expired.

No definition available.

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- Definition

Debt Instrument Extension Period

+ References

No definition available.

+ Details

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- Definition

Debt instrument interest only payment term.

+ References

No definition available.

+ Details

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- Definition

Debt instrument interest rate stated interest only period percentage.

+ References

No definition available.

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- Definition

Debt instrument prepayment fee after year five.

+ References

No definition available.

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- Definition

Deferred loan costs expensed.

+ References

No definition available.

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- Definition

Final payment fees percentage.

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No definition available.

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- Definition

License termination effective date.

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No definition available.

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- Definition

Line of credit facility additional borrowing capacity upon contingent milestone achievement.

+ References

No definition available.

+ Details

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- Definition

Line of credit facility second draw borrowing capacity upon contingent milestone achievement.

+ References

No definition available.

+ Details

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- Definition

Market Capitalization

+ References

No definition available.

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- Definition

Number of warrants.

+ References

No definition available.

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- Definition

Prepayment period of outstanding principal and accrued unpaid interest.

+ References

No definition available.

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- Definition

Remaining line of credit after deducting loan origination cost broker and other fees.

+ 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.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

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

+ References

+ Details

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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

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Notes Payable - Additional Information (Detail)				12 Months Ended
Notes Payable - Additional Information (Detail)	May 16, 2018 USD ($)	Dec. 26, 2017 USD ($) $ / shares shares	Feb. 21, 2017 USD ($) Warrant $ / shares shares	Dec. 31, 2018 $ / shares shares	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Remainder of borrowings			$ 13,700,000
Interest period of loan agreement	1 year
Minimum [Member]
Debt Instrument [Line Items]
Market capitalization	$ 200,000,000
CRG [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
License termination effective date				Feb. 21, 2017
Number of warrants to purchase common stock \| shares		349,452	1,701,583
Exercise price of warrants to purchase common stock \| $ / shares		$ 3.42	$ 2.38
Borrowings outstanding			$ 45,000,000
Additional borrowing capacity upon milestone achievement			15,000,000
Second draw borrowing capacity upon milestone achievement			$ 5,000,000
Loan agreement term			6 years
Loan agreement interest only term			3 years
Interest on borrowings			12.50%
Interest on borrowings, interest only period percentage			3.50%
Final payment fee rate			9.00%
Prepayment period of outstanding principal and accrued unpaid interest			5 years
Prepayment fee after			$ 0
Additional interest rate			4.00%
Number of warrants \| Warrant			5
CRG [Member] \| Tranche Two [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Net proceeds in aggregate amount		$ 15,000,000
MidCap Financial Trust [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Net proceeds in aggregate amount			$ 29,400,000
Number of warrants to purchase common stock \| shares				84,986
Exercise price of warrants to purchase common stock \| $ / shares				$ 3.53
Class Of Warrant Or Rights Date From Which Warrants Or Rights Expired				2021-05
MidCap Financial Trust [Member] \| Secured Debt [Member] \| Interest Expense [Member]
Debt Instrument [Line Items]
Deferred loan costs expensed					$ 700,000