Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Changes in Estimated Product Warranty Liabilities

Changes in the Company’s estimated product warranty liabilities were as follows (in thousands):

	2015			2014			2013
Balance, January 1	$	675		$	955		$	484
Utilization of accrual	(299		)	(676		)	(530		)
Warranty (recoveries) expense	(62		)	396			1,001
Balance, December 31	$	314		$	675		$	955

Net Sales by Geographic Area

For the three years ended December 31, 2015, 2014 and 2013, net sales by geographic area were as follows (in thousands):

	Year Ended December 31,
	2015				2014				2013
United States	$	161,803	81.8	%	$	132,205	80.4	%	$	115,674	83.9	%
Other Countries	36,089		18.2		32,320		19.6		22,157		16.1
Total	$	197,892	100.0	%	$	164,525	100.0	%	$	137,831	100.0	%

Weighted Average Number of Shares Outstanding and Income Per Share

The calculation of the weighted average number of shares outstanding and earnings per share are as follows (in thousands except per share data):

	For the Year Ended December 31,
	2015		2014		2013
Numerator for basic and diluted earnings per share:
Net income	$	19,933	$	19,918	$	18,244
Denominator:
Weighted average shares outstanding—basic	53,548		52,948		51,880
Dilutive effect of stock-based awards	1,090		1,552		2,272
Diluted weighted average shares outstanding	54,638		54,500		54,152
Anti-dilutive stock-based awards excluded	198		177		507
Net income per common share:
Basic	$	0.37	$	0.38	$	0.35
Diluted	$	0.36	$	0.37	$	0.34