Annual report pursuant to Section 13 and 15(d)

Organization and Summary of Significant Accounting Policies (Tables)

v3.8.0.1
Organization and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2017
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, 2017, 2016 and 2015: 
 
 
 
Years ended December 31,
 
(in thousands, except per share amounts)
 
2017
 
2016
 
2015
 
Numerator:
 
 
 
 
 
 
 
 
 
 
Net income (loss) used for basic earnings per share
 
$
(14,307)
 
$
5,135
 
$
(11,279)
 
Less change in fair value of warrant liability
 
 
619
 
 
825
 
 
 
Net income (loss) used for diluted earnings per share
 
$
(14,926)
 
$
4,310
 
$
(11,279)
 
Denominator:
 
 
 
 
 
 
 
 
 
 
Basic weighted-average outstanding common shares
 
 
21,203
 
 
20,744
 
 
20,053
 
Effect of dilutive potential common shares resulting from options
 
 
 
 
141
 
 
 
Effect of dilutive potential common shares resulting from warrants
 
 
25
 
 
574
 
 
 
Weighted-average shares outstanding—diluted
 
 
21,228
 
 
21,459
 
 
20,053
 
Net income (loss) per common share:
 
 
 
 
 
 
 
 
 
 
Basic
 
$
(0.67)
 
$
0.25
 
$
(0.56)
 
Diluted
 
$
(0.70)
 
$
0.20
 
$
(0.56)
 
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, 2017, 2016 and 2015: 
 
 
 
Years ended December 31,
 
(in thousands)
 
2017
 
2016
 
2015
 
Weighted-average anti-dilutive common shares resulting from options and awards
 
 
2,355
 
 
1,286
 
 
1,346
 
Weighted-average anti-dilutive common shares resulting from warrants
 
 
1,220
 
 
 
 
231
 
 
 
 
3,574
 
 
1,286
 
 
1,577
 
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, 2017 and 2016 (in thousands):
 
 
 
December 31,
 
 
 
2017
 
2016
 
Fair value, beginning of period
 
$
619
 
$
1,444
 
Change in fair value
 
 
(619)
 
 
(825)
 
Fair value, end of period
 
$
 
$
619