Number of individual customers accounting for more than ten percent of accounts receivable.

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- Definition

Number of individual customers accounting for more than ten percent of net product sales.

+ References

No definition available.

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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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Carrying value as of the balance sheet date of obligations incurred through that date and payable for contractual rent under lease arrangements.

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-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 15
-Subparagraph a
-Article 7

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Carrying value as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer) for contractual rent under lease arrangements.

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- Definition

Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

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-Name Accounting Standards Codification
-Topic 320
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-Paragraph 2
-Subparagraph (c)
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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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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

The current portion of prepayments received from customers for goods or services to be provided in the future.

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- Definition

Amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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-Name Staff Accounting Bulletin (SAB)
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- Definition

Amount before tax of foreign currency transaction realized and unrealized gain recognized in the income statement.

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Amount before tax of foreign currency transaction realized and unrealized loss recognized in the income statement.

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- Definition

Balance held at close of period in number of shares.

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Amount of investments in debt and equity securities, including, but not limited to, held-to-maturity, trading and available-for-sale expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer.

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- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

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Significant Accounting Policies (Details) $ in Thousands	3 Months Ended		5 Months Ended	6 Months Ended		48 Months Ended
Significant Accounting Policies (Details) $ in Thousands	Jun. 30, 2016 USD ($) shares	Jun. 30, 2015 USD ($) customer	May 31, 2016 USD ($)	Jun. 30, 2016 USD ($) customer segment shares	Jun. 30, 2015 USD ($) customer	Dec. 31, 2015 USD ($)
Concentration Risk [Line Items]
Total of realized and unrealized transaction losses	$ 100	$ 500		$ 900
Total of realized and unrealized transaction gains					$ 600
Marketable securities	5,497			5,497		$ 11,407
Accrued rent	4,400			4,400		5,400
Product revenue, net	65,326	$ 27,818		98,960	$ 51,719
Amounts received in advance of revenue recognition	$ 4,476			$ 4,476		23,545
Number of operating segments \| segment				1
Geographic concentration risk
Concentration Risk [Line Items]
Long-lived assets						1,400
Net product revenue \| Customer concentration risk
Concentration Risk [Line Items]
Number of customers accounting for more than ten percent of net revenue \| customer		1		1	1
Concentration risk, percentage	50.00%	78.00%		58.00%	78.00%
Net product revenue \| Geographic concentration risk
Concentration Risk [Line Items]
Concentration risk, percentage	50.00%	22.00%		42.00%
Accounts receivable \| Customer concentration risk
Concentration Risk [Line Items]
Concentration risk, percentage				90.00%	68.00%
Number of customers accounting for more than ten percent of accounts receivable \| customer				1	1
FRANCE
Concentration Risk [Line Items]
Product revenue, net	$ 25,500
Deferred Revenue, Revenue Recognized			$ 3,000			22,500
Amounts received in advance of revenue recognition	$ 4,500			$ 4,500
FRANCE \| Net product revenue \| Geographic concentration risk
Concentration Risk [Line Items]
Concentration risk, percentage	39.00%			26.00%
Other long-term liabilities
Concentration Risk [Line Items]
Accrued rent, noncurrent	$ 3,800			$ 3,800		4,800
Other current liabilities
Concentration Risk [Line Items]
Accrued rent, current	$ 600			$ 600		$ 600
REGENXBIO, Inc. \| Common Stock
Concentration Risk [Line Items]
Marketable securities (in shares) \| shares	687,139			687,139
REGENXBIO, Inc. \| Common Stock \| Level 1
Concentration Risk [Line Items]
Marketable securities, unrealized loss	$ 1,900			$ 5,900