Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Valuation Assumptions of Granted Stock Options

The following table summarizes information about these granted stock options:

	2012	2011	2010
Weighted-average risk-free interest rate	N/A	1.21%	N/A
Dividend yield	N/A	—	N/A
Weighted-average expected volatility	N/A	48.59%	N/A
Total weighted-average expected forfeiture rate	N/A	2.97%	N/A
Weighted-average expected life (years)	N/A	5.90	N/A
Total weighted-average remaining vesting period in years (1)	3.38	4.30	4.57
Total fair value of options granted	N/A	$4,064,000	N/A
Stock-based compensation expense—Cost of sales (1)	$278,000	$60,000	$42,000
Stock-based compensation expense—SG&A (1)	$1,374,000	$1,039,000	$963,000
Income tax benefit (1)	$(603,000)	$(390,000)	$(402,000)

(1) Information relates to stock options granted since 2006.

Qualified Stock Option Plans [Member]

Stock Option Activities of Stock Option Plans

The following information relates to our qualified stock option plans:

	December 31, 2012
	2008 Plan		1998 Plan
Maximum number of securities for issuance		1,000,000		N/A
Number of awards available to be granted		349,905		N/A
Number of qualified options outstanding		467,915		11,000
Number of qualified options exercisable		143,040		11,000

	2012
	Shares			Weighted- Average Exercise Price
Outstanding at beginning of year		516,330		$	21.34
Granted		—			N/A
Exercised		(31,880	)	$	9.39
Cancelled, forfeited or expired		(5,535	)	$	9.36
Outstanding at end of year		478,915		$	22.28
Exercisable at end of year		154,040		$	15.73

	2012		2011		2010
Weighted-average fair value per option granted during year		N/A	$	16.00		N/A
Total intrinsic value of options exercised during the year	$	895,000	$	3,294,000	$	441,000
Total fair value of options vested during the year	$	861,000	$	208,000	$	214,000

Stock Options Outstanding and Exercisable

The following table summarizes information about qualified stock options outstanding and exercisable at December 31, 2012:

			Stock Options Outstanding
Exercise Prices	Shares Outstanding		Weighted-Average Remaining Contractual Life in Years		Weighted-Average Exercise Price		Intrinsic Value of Shares Outstanding
$5.10		11,000		2.92	$	5.10	$	333,000
$7.86 —   $8.17		42,085		5.92	$	7.87		1,160,000
$9.69 —   $9.97		176,830		5.83	$	9.69		4,549,000
$29.99 —   $34.50		249,000		8.90	$	34.41		252,000
$5.10 —   $34.50		478,915		7.37	$	22.28	$	6,294,000

			Stock Options Exercisable
Exercise Prices	Shares Outstanding		Weighted-Average Remaining Contractual Life in Years		Weighted-Average Exercise Price		Intrinsic Value of Shares Outstanding
$5.10		11,000		2.92	$	5.10	$	333,000
$7.86 —   $8.17		19,305		5.92	$	7.87		532,000
$9.69 —   $9.97		82,650		5.83	$	9.69		2,126,000
$29.99 —   $34.50		41,085		8.90	$	34.41		42,000
$5.10 —   $34.50		154,040		6.45	$	15.73	$	3,033,000

Non Qualified Stock Options [Member]

Stock Option Activities of Stock Option Plans

The following information relates to our non-qualified stock option plans:

	2012
				Weighted-
				Average
				Exercise
	Shares			Price
Outstanding at beginning of year		316,525		$	8.41
Granted		—			N/A
Exercised		(58,475	)	$	8.00
Surrendered, forfeited or expired		—			N/A
Outstanding at end of year		258,050		$	8.50
Exercisable at end of year		60,275		$	8.32

	2012		2011		2010
Weighted-average fair value per option granted during year		N/A	$	16.25		N/A
Total intrinsic value of options exercised during the year	$	1,574,000	$	2,110,000	$	805,000
Total fair value of options vested during the year	$	731,000	$	730,000	$	721,000

Stock Options Outstanding and Exercisable

The following tables summarize information about non-qualified stock options outstanding and exercisable at December 31, 2012:

			Stock Options Outstanding
Exercise Prices	Shares Outstanding		Weighted- Average Remaining Contractual Life in Years		Weighted- Average Exercise Price		Intrinsic Value of Shares Outstanding
$7.86		33,050		5.92	$	7.86	$	911,000
$8.01		220,000		3.75	$	8.01		6,030,000
$34.50		5,000		8.92	$	34.50		5,000
$7.86 — $ 34.50		258,050		4.13	$	8.50	$	6,946,000

			Stock Options Exercisable
Exercise Prices	Shares Outstanding		Weighted- Average Remaining Contractual Life in Years		Weighted- Average Exercise Price		Intrinsic Value of Shares Outstanding
$7.86		19,450		5.92	$	7.86	$	536,000
$8.01		40,000		3.75	$	8.01		1,096,000
$34.50		825		8.92	$	34.50		1,000
$7.86 — $ 34.50		60,275		4.52	$	8.32	$	1,633,000