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Note I - Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

		Three and Six Months Ended June 30,
		2016				2015
Warrants to purchase common stock			164,400				2,650,212
Awards under equity incentive plans			2,238,153				943,304
Deerfield Convertible Notes			2,088,931				1,896,843
2021 Notes			5,040,914				—
Total			9,532,398				5,490,359

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Three Months Ended				Six Months Ended
		June 30, 2016
Basic earnings per share of common stock:
Net earnings		$	9,768			$	6,834
Less: Net earnings allocable to participating securities			(1,137	)			(798	)
Net earnings allocable to shares of common stock			8,631				6,036
Less: Dividends declared or accumulated			—				—
Undistributed earnings allocable to shares of common stock, basic		$	8,631			$	6,036
Weighted-average shares of common stock outstanding			14,597				14,547
Basic earnings per share of common stock		$	0.59			$	0.41
Diluted loss per share of common stock:
Net earnings		$	9,768			$	6,834
Less: Fair value adjustment for Deerfield stock warrants			(18,769	)			(28,001	)
Net loss allocable to shares of common stock, diluted		$	(9,001	)		$	(21,167	)
Weighted-average shares of common stock outstanding			14,597				14,547
Dilutive effect of Deerfield stock warrants			838				1,037
Weighted-average shares of common stock outstanding, diluted			15,435				15,583
Diluted loss per share of common stock		$	(0.58	)		$	(1.36	)

X

- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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X

- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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No definition available.

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