The Company (Tables)

9 Months Ended

Sep. 30, 2013

The activity in the warranty accrual during the nine months ended September 30, 2013 and 2012 is summarized as follows:

	September 30,
	2013			2012
	(unaudited)			(unaudited)
Accrual at beginning of year	$	1,440		$	1,661
Additions charged to warranty expense		1,123			1,189
Expiring warranties		(344	)		(307	)
Claims satisfied		(1,077	)		(1,076	)
Total		1,142			1,467
Less: current portion		(1,071	)		(1,229	)
Accrued long-term warranty	$	71		$	238

Basic and diluted earnings per common share were calculated using the following weighted-average shares outstanding:

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2013		2012		2013		2012
Weighted-average number of common and common equivalent shares outstanding:
Basic number of common shares outstanding		19,982,967		21,205,675		20,518,493		20,001,456
Dilutive effect of stock options and warrants		458,295		547,170		458,295		547,170
Diluted number of common and common stock equivalent shares outstanding		20,441,262		21,752,845		20,976,788		20,548,626