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

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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No definition available.

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- Definition

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

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

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Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

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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.

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Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of transfers of financial instrument classified as a liability into (out of) level 3 of the fair value hierarchy.

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

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CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS - LEVEL 3 (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Sep. 09, 2014
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Balance at the beginning of the period	$ 14,971
Balance at the end of the period	14,825	$ 14,971
Fair value transfers between hierarchy levels 1 and 2
Transfers of assets from Level 1 to Level 2	0	0
Transfer of assets from Level 2 to Level 1	0	0
Fair value transfers in or out of hierarchy level 3
Net transfer of liabilities into/out of level 3	$ 0	0
Change in accounting estimate
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Unfavorable contract assumed		$ 3,600
Earnings Per Share, Basic and Diluted		$ 0.06
Convertible Notes
Estimated fair value of debt instruments
Interest rate (as a percent)	2.50%			2.50%
Par value of debt	$ 345,000			$ 345,000
Interest Expense.
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Net accretion value adjustments	2,408
Selling general and administrative expense
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Net accretion value adjustments	(122)
Royalties Paid
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Royalties paid	(2,432)
Level 2 \| Convertible Notes \| Fair Value
Estimated fair value of debt instruments
Estimated fair value of debt	390,000
Level 3
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Balance at the beginning of the period	14,971	$ 17,595
Unfavorable contract assumed			$ 3,343
Balance at the end of the period		14,971
Level 3 \| Interest Expense.
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Unfavorable contract assumed		269
Net accretion value adjustments		2,307
Level 3 \| Selling general and administrative expense
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Unfavorable contract assumed		(3,612)
Net accretion value adjustments		(3,684)
Level 3 \| Royalties Paid
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Royalties paid		(1,247)
Contingent consideration \| Level 3 \| Zipsor
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Balance at the beginning of the period	1,504	1,800
Balance at the end of the period	1,489	1,504
Contingent consideration \| Level 3 \| Zipsor \| Interest Expense.
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Net accretion value adjustments	141	206
Contingent consideration \| Level 3 \| Zipsor \| Selling general and administrative expense
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Net accretion value adjustments	(156)	(502)
Contingent consideration \| Level 3 \| Lazanda
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Balance at the beginning of the period	12,002	11,209
Balance at the end of the period	11,742	12,002
Contingent consideration \| Level 3 \| Lazanda \| Interest Expense.
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Net accretion value adjustments	2,031	1,621
Contingent consideration \| Level 3 \| Lazanda \| Selling general and administrative expense
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Net accretion value adjustments	141	419
Contingent consideration \| Level 3 \| Lazanda \| Royalties Paid
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Royalties paid	(2,432)	(1,247)
Contingent consideration \| Level 3 \| CAMBIA
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Balance at the beginning of the period	1,465	1,243
Balance at the end of the period	1,594	1,465
Contingent consideration \| Level 3 \| CAMBIA \| Interest Expense.
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Net accretion value adjustments	236	211
Contingent consideration \| Level 3 \| CAMBIA \| Selling general and administrative expense
Changes in fair value of all financial liabilities measured at fair value on a recurring basis
Net accretion value adjustments	$ (107)	$ 11