Basis of Financial Statement Presentation and Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

Changes in warranty reserve

During the three months ended March 31, 2015 and 2014, changes in the warranty reserve consisted of the following (in thousands):

	Three Months
	2015			2014
Accrued warranty reserve, beginning of period	$	1,528		$	638
Reserve provided	693			383
Payments	(710		)	(188		)
Accrued warranty reserve, end of period	$	1,511		$	833

Reconciliation of net loss and weighted averages shares outstanding for the calculation of basic and diluted loss per share

The following table represents a reconciliation of the net loss and weighted average shares outstanding for the calculation of basic and diluted loss per share for the three months ended March 31, 2015 and 2014 (in thousands, except share data):

	Three Months
	2015			2014
Numerator:
Basic and diluted net loss	$	(5,008	)	$	(1,926	)
Denominator:
Basic and diluted weighted average shares outstanding	21,995,460			21,929,852
Basic and diluted loss per share	$	(0.23	)	$	(0.09	)