Debt instrument maturity date year.

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- Definition

Number of patients enrolled and randomized in study.

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- Definition

Number of sales professionals.

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Organization, consolidation and presentation of financial statements disclosure.

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- Definition

Proposed number of sales professionals.

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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- Definition

The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

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

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

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. 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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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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Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

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No definition available.

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Nature of Business and Basis of Presentation - Additional Information (Detail)			9 Months Ended
	Nov. 02, 2018 USD ($) shares	Jan. 20, 2017 USD ($)	Sep. 30, 2018 USD ($) shares Patient Employee Segment	Dec. 31, 2017 USD ($)
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
REDUCE-IT study, number of patients enrolled and randomized \| Patient			8,175
Number of sales professionals \| Employee			170
Number of operating segments \| Segment			1
Proposed number of sales professionals \| Employee			400
Total current assets			$ 202,402,000	$ 153,270,000
Cash and cash equivalents			81,892,000	73,637,000
Accounts receivable, net			47,648,000	45,318,000
Other receivables			25,654,000
Convertible Debt \| 2017 Notes
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Convertible senior notes, principal amount		$ 30,000,000	$ 30,000,000
Convertible senior notes, due date		2047
Convertible senior notes, stated interest rate		3.50%
Convertible senior notes, repurchase price at option of the issuer		100.00%
Convertible senior notes, total ADS into which the debt is exchangeable \| shares			7,716,048
Convertible senior notes, interest obligations			$ 200,000	$ 200,000
Convertible Debt \| 2017 Notes \| Scenario Forecast
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Convertible senior notes, outstanding amount	$ 0
Convertible senior notes, interest obligations	$ 0
Convertible Debt \| 2017 Notes \| Scenario Forecast \| American Depositary Shares
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Convertible senior notes, total ADS into which the debt is exchangeable \| shares	7,716,048