Shareholders' Equity: (Tables)

12 Months Ended

Dec. 29, 2012

Shareholders' Equity:

Schedule of restricted share activity

	Number of Shares		Weighted Average Grant Date Fair Value Per Share
Balance, December 25, 2010	299,334		$	3.20
Granted	176,000		4.09
Vested	(69,667	)	3.00
Forfeited	—		—
Balance, December 31, 2011	405,667		$	3.62
Granted	177,437		6.49
Vested	(63,667	)	3.30
Forfeited	—		—
Balance, December 29, 2012	519,437		$	4.64

Schedule of weighted-average assumptions used to estimate fair value of each stock option grant

	2012	2011
Expected dividend yield (%)	0	0
Expected volatility (%)	56-58	58
Risk-free interest rate (%)	1.7 - 3.5	3.2 - 3.5
Expected life (years)	5.5-6.5	6.5

Summary of stock option activity

	Options Outstanding		Weighted Average Exercise Price
Balance, December 25, 2010	2,145,500		$	2.37
Granted	215,500		4.17
Forfeited or expired	(79,500	)	1.90
Exercised	(495,000	)	2.67
Balance, December 31, 2011	1,786,500		$	2.52
Granted	197,500		6.55
Forfeited or expired	(133,900	)	2.84
Exercised	(627,373	)	2.28
Balance, December 29, 2012	1,222,727		$	3.26

Summary of stock options outstanding and exercisable

Range of Exercise Prices	Options Outstanding	WeightedAverage Remaining ContractualLife (in years)	Weighted Average Exercise Price		Options Exercisable	Weighted Average Exercise Price
$ 1.59 - $1.86	406,000	5.4	$	1.74	322,500	$	1.74
$ 1.94 - $3.44	402,527	5.5	$	2.73	253,927	$	2.60
$ 3.60 - $4.28	216,700	8.3	$	4.10	62,500	$	4.15
$ 6.55 - $6.55	197,500	9.4	$	6.55	—	$	—
	1,222,727	6.6	$	3.26	638,927	$	2.32