Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of changes in our estimated warranty reserve

Changes in our estimated warranty reserve were as follows (in thousands):

	Year Ended December 31,
	2021		2020
Balance, beginning of period	$	769	$	1,476
Utilization of reserve		(873)		(700)
Warranty expense (benefit)		2,926		(7)
Balance, end of period	$	2,822	$	769

Schedule of weighted average number of shares outstanding and earnings 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):

	For the Year Ended December 31,
	2021		2020		2019
Numerator for basic and diluted earnings per share:
Net income (loss)	$	(60,018)	$	(1,724)	$	882
Denominator:
Weighted average shares outstanding-basic		66,191		61,782		59,190
Dilutive effect of stock-based awards		—		—		828
Diluted weighted average shares outstanding		66,191		61,782		60,018
Anti-dilutive stock-based awards excluded		7,690		12,150		12,627
Net income (loss) per share:
Basic	$	(0.91)	$	(0.03)	$	0.01
Diluted	$	(0.91)	$	(0.03)	$	0.01