Back End Facility Fee

No definition available.

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- Definition

Debt Instrument Additional Borrowings Face Amount

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument Additional Facility That Can Be Obtained

+ 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

Loan Preclosure Fees And Realized Losses

+ References

No definition available.

+ Details

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- Definition

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

+ References

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

+ Details

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Data Type:	num:percentItemType
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- Definition

Face (par) amount of debt instrument at time of issuance.

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Balance Type:	credit
Period Type:	instant

- 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.

+ Details

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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

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

+ 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

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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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) - USD ($)			12 Months Ended
	May 23, 2019	Dec. 26, 2017	Dec. 31, 2019	Feb. 21, 2017
Debt Instrument [Line Items]
Loan agreement interest only term			36 months
Bio Pharma Credit Plc
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 60,000,000
Additional facility that can be obtained	20,000,000
Debt instrument, face amount	60,000,000
Additional borrowing of face amount	1,800,000
Bio Pharma Credit Plc \| LIBOR
Debt Instrument [Line Items]
Loan agreement term			72 months
Additional interest rate			7.50%
CRG
Debt Instrument [Line Items]
Back end facility fee	$ 5,600,000
CRG \| Interest Expense
Debt Instrument [Line Items]
Debt issuance costs			$ 5,200,000
Amortization of discount			3,900,000
Loan preclosure fees			$ 2,800,000
CRG \| Line of Credit
Debt Instrument [Line Items]
Borrowings outstanding				$ 45,000,000.0
CRG \| Tranche Two \| Line of Credit
Debt Instrument [Line Items]
Net proceeds in aggregate amount		$ 15,000,000.0