Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Summary of Significant Accounting Policies

Changes in warranty reserve

During the years ended December 31, 2017,  2016 and 2015, changes in the warranty reserve consisted of the following (in thousands):

	For the Years Ended December 31,
	2017		2016		2015
Accrued warranty reserve, beginning of period	$	4,033	$	3,333	$	1,528
Reserve provided		5,089		3,864		3,974
Payments		(4,206)		(3,164)		(2,169)
Accrued warranty reserve, end of period	$	4,916	$	4,033	$	3,333

Reconciliation of net income and weighted average shares outstanding for the calculation of basic and diluted earnings per share

The following table represents a reconciliation of the net income (loss) and weighted average shares outstanding for the calculation of basic and diluted earnings (loss) per share for the years ended December 31, 2017, 2016 and 2015 (in thousands, except per share amounts):

	For the Years Ended December 31,
	2017		2016		2015
Numerator:
Basic net income (loss)	$	(21,936)	$	147,107	$	11,950
Effect of dilutive securities		—		2,969		—
Diluted net income (loss)	$	(21,936)	$	150,076	$	11,950
Denominator:
Basic weighted average shares outstanding		22,493		22,346		22,010
Effect of dilutive securities		—		4,163		120
Diluted weighted average shares outstanding		22,493		26,509		22,130
Basic earnings (loss) per share	$	(0.98)	$	6.58	$	0.54
Diluted earnings (loss) per share	$	(0.98)	$	5.66	$	0.54