XML 214 R22.htm IDEA: XBRL DOCUMENT v3.10.0.1
Organization and Summary of Significant Accounting Policies (Tables)
 9 Months Ended
Sep. 30, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Weighted Average Number of Shares Outstanding and Income Per Share
The calculation of the weighted average number of shares outstanding and earnings per share are as follows (in thousands except per share data):
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2018
 
2017
 
2018
 
2017
Numerator for basic and diluted earnings per share:
 
 
 
 
 
 
 
Net income
$
5,711

 
$
422

 
$
27,122

 
$
7,278

Denominator:
 
 
 
 
 
 
 
Weighted average shares outstanding
58,340

 
52,831

 
55,681

 
52,663

Dilutive effect of stock-based awards
1,465

 
1,012

 
1,573

 
1,099

Diluted weighted average shares outstanding
59,805

 
53,843

 
57,254

 
53,762

Anti-dilutive stock-based awards excluded
6,793

 
575

 
6,760

 
506

Net income per common share:
 
 
 
 
 
 
 
Basic
$
0.10

 
$
0.01

 
$
0.49

 
$
0.14

Diluted
$
0.10

 
$
0.01

 
$
0.47

 
$
0.14
Summary of Changes in Estimated Product Warranty Liabilities
Changes in our estimated product warranty liabilities were as follows (in thousands):
 
Nine Months Ended September 30,
 
2018
 
2017
Balance, beginning of period
$
644

 
$
780

Utilization of accrual
(384
)
 
(178
)
Warranty expense
699

 
117

Balance, end of period
$
959

 
$
719