Organization and Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2019

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,
	2019		2018		2019		2018
Numerator for basic and diluted earnings per share:
Net income	$	6,104	$	5,711	$	13,261	$	27,122
Denominator:
Weighted average shares outstanding	59,278		58,340		59,128		55,681
Dilutive effect of stock-based awards	781		1,465		810		1,573
Diluted weighted average shares outstanding	60,059		59,805		59,938		57,254
Anti-dilutive stock-based awards excluded	12,477		6,793		12,546		6,760
Net income per common share:
Basic	$	0.10	$	0.10	$	0.22	$	0.49
Diluted	$	0.10	$	0.10	$	0.22	$	0.47

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,
	2019			2018
Balance, beginning of period	$	898		$	644
Utilization of accrual	(718		)	(384		)
Warranty expense	891			699
Balance, end of period	$	1,071		$	959

Adjustments to Opening Balance Sheet

The adjustments to the opening balance sheet were as follows (in thousands):

	December 31, 2018		Impact of Adoption of Topic 842 on Opening Balance Sheet			January 1, 2019
	(As reported)					(As adjusted)
Consolidated Balance Sheet Data:
Other assets	$	22,999	$	12,483		$	35,482
Total assets	719,540		12,483			732,023
						—
Accrued liabilities	41,092		(1,138		)	39,954
Other current liabilities	37		3,588			3,625
Total current liabilities	166,011		2,450			168,461
Other long-term liabilities	5,704		10,033			15,737
Total liabilities	252,216		12,483			264,699
Total liabilities and stockholders' equity	719,540		12,483			732,023