Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Organization and Summary of Significant Accounting Policies [Abstract]

Company fair value hierarchy for assets and liabilities measured at fair value on a recurring basis

	December 31, 2012								December 31, 2011
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents (1)	$	37,375	$	0	$	0	$	37,375	$	36,959	$	0	$	0	$	36,959
Liabilities:
Derivative—warrants (2)	$	0	$	0	$	3,909	$	3,909	$	0	$	0	$	347	$	347

(1) Included in cash and cash equivalents and restricted cash on the accompanying consolidated balance sheets.

(2) Represents warrants issued in February 2008 related to the 2008 Notes, October 2009 related to the public offering, October 2011 related to the Comerica credit facility and December 2012 related to the Athyrium credit agreement, all of which qualified for liability accounting.

Reconciliation of the assets and liabilities measured at fair value using significant unobservable inputs

	Derivative Liability – Warrants
Balance at January 1, 2012	$	347
Issuance of derivative liability (1)		3,758
Adjustment for change in classification from liability to stockholders’ equity (2)		(744	)
Adjustment to fair value included in earnings (3)		548
Balance at December 31, 2012	$	3,909

(1) Represents the warrants issued to Athyrium as part of credit agreement entered into on December 7, 2012.

(2) Represents the reclassification of warrants issued to Comerica into stockholders’ equity upon the expiration of price based anti-dilution protection provision on April 19, 2012.

(3) The derivatives were revalued at the end of each reporting period and the resulting difference is included in the results of operations. The net adjustment to fair value is included in “Gain (loss) on net change in fair value of derivative assets and liabilities” on the accompanying consolidated statements of comprehensive income.

Computation of basic net income (loss) per share

	2012			2011			2010
	As Restated
Numerator
Net income (loss) from continuing operations	$	18,269		$	5,630		$	(14,166	)
Net income (loss) from discontinued operations	$	(56	)	$	(112	)	$	8,816
Net income attributed to Verenium Corporation	$	18,213		$	5,518		$	19,933
Denominator
Weighted average shares outstanding during the period		12,693			12,612			12,325
Less: Weighted average unvested restricted shares outstanding		0			(4	)		(4	)
Weighted average shares used in computing basic net income (loss) per share		12,693			12,608			12,321
Net income (loss) per share, basic:
Continuing operations	$	1.44		$	0.45		$	(1.15	)
Discontinued operations	$	0.00		$	(0.01	)	$	0.72
Attributed to Verenium Corporation	$	1.43		$	0.44		$	1.62

Computation of diluted net income per share

	Year Ended December 31, 2012
Numerator
Net income from continuing operations	$	18,269
Net loss from discontinued operations	$	(56	)
Net income attributed to Verenium Corporation	$	18,213
Denominator
Weighted average shares used in computing basic net income per share		12,693
Plus: Effect of dilutive potential common shares from:
Stock options, awards and warrants		240
Diluted weighted average common shares outstanding		12,933
Net income per share, diluted:
Continuing operations	$	1.41
Discontinued operations	$	0.00
Attributed to Verenium Corporation	$	1.41