Annual report pursuant to Section 13 and 15(d)

Organization and Summary of Significant Accounting Policies (Tables)

v2.4.0.8
Organization and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2013
Organization and Summary of Significant Accounting Policies [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following table sets forth the reconciliation of the numerator and denominator used in the computation of basic and diluted net income (loss) per common share for the years ended December 31, 2013, 2012 and 2011: 
 
 
 
Years ended December 31,
 
(in thousands, except per share amounts)
 
2013
 
2012
 
2011
 
Numerator:
 
 
 
 
 
 
 
 
 
 
Net income (loss) used for basic earnings per share
 
$
9,711
 
$
(15,180)
 
$
(15,203)
 
Less change in fair value of warrant liability
 
 
1,737
 
 
—
 
 
1,862
 
Net (loss) income used for diluted earnings per share
 
$
7,974
 
$
(15,180)
 
$
(17,065)
 
Denominator:
 
 
 
 
 
 
 
 
 
 
Basic weighted-average outstanding common shares
 
 
82,099
 
 
66,509
 
 
59,234
 
Effect of dilutive potential common shares resulting
    from options
 
 
493
 
 
—
 
 
906
 
Effect of dilutive potential common shares resulting
    from warrants
 
 
67
 
 
—
 
 
162
 
Weighted-average shares outstanding—diluted
 
 
82,659
 
 
66,509
 
 
60,392
 
Net income (loss) per common share:
 
 
 
 
 
 
 
 
 
 
Basic
 
$
0.12
 
$
(0.23)
 
$
(0.26)
 
Diluted
 
$
0.10
 
$
(0.23)
 
$
(0.28)
 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
The table below presents common shares underlying stock options and warrants that are excluded from the calculation of the weighted average number of shares of common stock outstanding used for the calculation of diluted net income (loss) per common share. These are excluded from the calculation due to their anti-dilutive effect for the years ended December 31, 2013, 2012 and 2011: 
 
 
 
Years ended December 31,
 
(in thousands)
 
2013
 
 
2012
 
 
2011
 
Weighted-average anti-dilutive common shares resulting from options
 
 
2,628
 
 
4,213
 
 
2,399
 
Weighted-average anti-dilutive common shares resulting from warrants
 
 
675
 
 
3,011
 
 
1,841
 
 
 
 
3,303
 
 
7,224
 
 
4,240
 
Fair Value of Warrant Liability [Table Text Block]
The following table rolls forward the fair value of the Company’s warrant liability, the fair value of which is determined by Level 3 inputs for the years ended December 31, 2013 and 2012 (in thousands):
 
 
 
December 31,
 
 
 
2013
 
2012
 
Fair value, beginning of period
 
$
8,240
 
$
3,611
 
Issuance of warrants
 
 
—
 
 
2,863
 
Exercise of warrants
 
 
(4,686)
 
 
—
 
Change in fair value
 
 
(1,737)
 
 
1,766
 
Fair value, end of period
 
$
1,817
 
$
8,240