The Company and Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2013

The Company and Summary of Significant Accounting Policies [Abstract]

The Company offers a standard warranty on product sales generally for a one to two-year period. In the case of domestic sales of XTRAC lasers, however, the Company has offered longer warranty periods, ranging from three to four years, in order to meet competition or meet customer demands. The Company provides for the estimated cost of the future warranty claims on the date the product is sold. Total accrued warranty is included in Other Accrued Liabilities on the balance sheet. The activity in the warranty accrual during the three months ended March 31, 2013 and 2012 is summarized as follows:

	March 31,
	2013			2012
	(unaudited)			(unaudited)
Accrual at beginning of year	$	1,440		$	1,661
Additions charged to warranty expense		337			483
Expiring warranties		(152	)		(74	)
Claims satisfied		(314	)		(330	)
Total		1,311			1,740
Less: current portion		(1,190	)		(1,308	)
Accrued extended warranty	$	121		$	432

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 Three Months Ended March 31,
	2013		2012
Weighted-average number of common and common equivalent shares outstanding:
Basic number of common shares outstanding		20,678,023		18,339,977
Dilutive effect of stock options and warrants		469,560		536,186
Diluted number of common and common stock equivalent shares outstanding		21,147,583		18,876,163