Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of diluted earnings per share

The following reconciles the denominator used in the calculation of diluted earnings per share:

	Year Ended December 31,
	2015		2014		2013
Denominator:
Weighted average common shares for basic earnings per share		17,012,560		17,605,290		17,805,464
Effect of dilutive securities		55,033		78,641		94,908
Denominator for diluted earnings per share		17,067,593		17,683,931		17,900,372

Schedule of changes in the allowance for doubtful accounts

The following table summarizes the changes in the allowance for doubtful accounts for the past three years:

	2015			2014			2013
Balance at beginning of year	$	139		$	148		$	213
Bad debt expense		97			50			(59	)
Write-offs, net of recoveries		(104	)		(59	)		(6	)
Balance at end of year	$	132		$	139		$	148

Schedule of estimated useful lives

The Company provides for depreciation on a straight-line method over the following estimated useful lives:

Buildings	25 to 30 years
Machinery and equipment	3 to 10 years