Note 14 - Capital Stock and Stock Compensation (Tables)

12 Months Ended

Nov. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

2013		2012		2011
$	728	$	636	$	426

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	2011
Weighted average fair value of options on grant date			$ 4.19
Expected life of options in years			6.25
Risk-free interest rate		2.19%	-	2.49%
Expected volatility			60.0%
Dividend yield		0.0%	-	1.5%

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Number of Shares			Weighted Average Exercise Price Per Share
Outstanding at November 24, 2012		785,100		$	14.55
Granted		-			-
Exercised		(46,000	)		7.10
Forfeited/Expired		(4,000	)		4.38
Outstanding at November 30, 2013		735,100			15.08
Exercisable at November 30, 2013		648,600		$	16.25

Schedule of Nonvested Share Activity [Table Text Block]

	Number of Shares			Weighted Average Grant Date Fair Value Per Share
Non-vested options outstanding at November 24, 2012		154,250		$	6.00
Granted		-			-
Vested		(63,750	)		5.69
Forfeited/Expired		(4,000	)		4.38
Non-vested options outstanding at November 30, 2013		86,500			6.31

	Number of Shares			Weighted Average Grant Date Fair Value Per Share
Non-vested restricted shares outstanding at November 24, 2012		138,782		$	7.15
Granted		81,295			16.54
Vested and released		(52,184	)		5.74
Forfeited		(2,000	)		4.38
Non-vested restricted shares outstanding at November 30, 2013		165,893			12.23

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

				Options Outstanding						Options Exercisable
Range of Exercise Prices				Shares		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Shares		Weighted Average Exercise Price
$	3.23	-	$6.45		76,350		6.6	$	4.38		35,350	$	4.38
$	6.45	-	$9.67		62,750		7.6		8.04		17,250		8.02
$	9.68	-	$12.90		123,500		3.9		10.60		123,500		10.60
$	12.91	-	$16.13		67,500		2.9		14.89		67,500		14.89
$	16.14	-	$19.35		150,000		2.6		16.96		150,000		16.96
$	19.36	-	$22.58		255,000		0.2		21.12		255,000		21.12
					735,100						648,600
Aggregate intrinsic value				$	2,053					$	1,235

Schedule of Share-based Compensation, Activity [Table Text Block]

	2013		2012		2011
Total intrinsic value of options exercised	$	387	$	530	$	74
Total fair value of options vested		363		371		110
Total cash received from the exercise of options		413		536		81
Excess tax benefits recognized as additional paid-in capital upon the exercise of options		106		-		-

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

Grant Date	Restricted Shares Granted		Share Value at Grant Date Per Share		Remaining Restriction Period (Years)
March 7, 2011		4,000	$	8.15		0.3
July 13, 2011		79,200	$	8.02		0.6
July 13, 2012		1,398	$	11.69		1.6
April 1, 2013		11,295	$	15.94		0.3
July 17, 2013		70,000	$	16.64		4.6
		165,893