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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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No definition available.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Aggregate cash discounts given by the entity for goods sold to customers including, but not limited to, early payments of accounts due. For example, selling terms of "2/10, net 30" entitle a customer to a 2% discount for prompt payment within 10 days, otherwise full payment is expected in 30 days. Discounts are a deduction from gross revenue in arriving at net revenue.

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The aggregate refunds recognized during an accounting period due to goods returned by customers (other than under warranty provisions). Returns are a deduction from gross revenue in arriving at net revenue.

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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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NET LOSS PER SHARE - CHANGE IN ESTIMATE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Change in estimate
Product sales, net	$ 110,303	$ 104,726	$ 331,391	$ 230,692
Net loss	$ (12,894)	$ (11,785)	$ (44,352)	$ (45,070)
Basic and diluted net loss per share (in dollars per share)	$ (0.21)	$ (0.20)	$ (0.73)	$ (0.75)
Rebates and Returns
Change in estimate
Product sales, net	$ (900)		$ (900)
Net loss	$ (900)		$ (900)
Basic and diluted net loss per share (in dollars per share)	$ (0.01)		$ (0.01)
NUCYNTA \| Rebates and Returns
Change in estimate
Rebates	$ 2,300
Lazanda \| Rebates and Returns
Change in estimate
Returns	$ (1,400)