Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Organization and Summary of Significant Accounting Policies

Summary of changes in our estimated warranty reserve

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

	Year Ended December 31,
	2022		2021		2020
Balance, beginning of period	$	2,822	$	769	$	1,476
Utilization of reserve		(2,209)		(873)		(700)
Warranty expense		198		2,926		(7)
Balance, end of period	$	811	$	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,
	2022		2021		2020
Numerator for basic and diluted earnings per share:
Net income (loss)	$	147,139	$	(60,018)	$	(1,724)
Denominator:
Weighted average shares outstanding-basic		71,093		66,191		61,782
Dilutive effect of stock-based awards		1,441		—		—
Diluted weighted average shares outstanding		72,534		66,191		61,782
Net income (loss) per common share:
Basic	$	2.07	$	(0.91)	$	(0.03)
Diluted	$	2.03	$	(0.91)	$	(0.03)

Schedule of potentially dilutive securities excluded in calculation of diluted net income per share

Potentially dilutive securities that are not included in the calculation of diluted net income per share because doing so would be antidilutive are as follows (in thousands):

	For the Year Ended December 31,
	2022		2021		2020
Stock-based awards		3,264		7,690		12,150
2027 Notes		3,017		—		—
2027 Warrants		3,017		—		—
Total potentially dilutive securities		9,298		7,690		12,150