The Company and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

The Company and Summary of Significant Accounting Policies [Abstract]

Activity in the warranty accrual

The activity in the warranty accrual during the years ended December 31, 2013 and 2012 is summarized as follows:

	December 31,
	2013			2012
Accrual at beginning of year	$	1,440		$	1,661
Additions charged to warranty expense		1,206			1,497
Expiring warranties		(410	)		(442	)
Claims satisfied		(1,085	)		(1,276	)
Total		1,151			1,440
Less: current portion		(1,094	)		(1,274	)
Long term accrued warranty	$	57		$	166

Calculation of basic and diluted earnings per common share using weighted average shares outstanding

Basic and diluted earnings per common share were calculated using the following weighted average shares outstanding for the years ended December 31, 2013, 2012 and 2011:

	December 31,
	2013		2012		2011
Weighted average number of common and common equivalent shares outstanding:
Basic number of common shares outstanding		20,454,970		20,355,520		11,602,049
Dilutive effect of stock options and warrants		202,270		408,834		-
Diluted number of common and common stock equivalent shares outstanding		20,657,240		20,764,354		11,602,049