Stock Compensation Plans (Tables)

12 Months Ended

Dec. 30, 2017

Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

A summary of restricted stock unit activity is as follows:

	Number of Shares		Weighted Average Grant Date Fair Value
Non-vested stock units as of December 26, 2015		75,900	$	12.52
Granted		47,250		11.13
Vested		(16,003)		12.28
Forfeited		(24,800)		12.05
Non-vested stock units as of December 31, 2016		82,347	$	11.91
Granted		55,032		12.26
Vested		(25,819)		12.81
Forfeited		(8,484)		11.40
Non-vested stock units as of December 30, 2017		103,076	$	11.92

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

The following table summarizes option activity for each of the three years ended 2017:

	Incentive Stock Options				Director Stock Options
	Granted		Outstanding		Granted		Outstanding
2017		—		29,250		—		15,000
2016		20,000		57,375		—		15,000
2015		—		172,625		—		15,000

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

The fair value of each option grant award is estimated on the grant date using the Black-Scholes-Merton option valuation model using the following assumptions:

	2017		2016			2015
Risk-free interest rates		—		1.06	%		—
Dividend yields		—		2.73	%		—
Volatility factors of expected market price of common stock		—		35.60	%		—
Weighted average expected life of the options		—		1-5 years			—

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

The following table summarizes stock option transactions for the three years ended 2017:

	2017				2016				2015
	Shares		Option Price		Shares		Option Price		Shares		Option Price
Outstanding at beginning of year		72,375		$5.28 to $14.39		187,625		$5.28 to $11.86		344,375		$2.56 to $11.86
Issued during year		—		—		20,000	$	14.39		—		—
Canceled or expired		—				(39,250)				(500)
Exercised during year		(28,125)		$5.28 to $5.85		(96,000)		$5.28 to $6.07		(156,250)		$2.56 to $11.86
Outstanding at end of year		44,250		$5.85 to $14.39		72,375		$5.28 to $14.39		187,625		$5.28 to $11.86
Exercisable at end of year		24,250				41,125				133,250
Weighted-average fair value of options granted during the year		—			$	2.52				—

Schedule Of Share Based Compensation Stock Options Outstanding [Table Text Block]

The following table summarizes information about stock options outstanding at December 30, 2017:

		Options Outstanding						Options Exercisable
Range of Exercise Prices		Number of Shares		Weighted-Average Remaining Contractual Life		Weighted-Average Exercise Price		Number of Shares		Weighted-Average Exercise Price
$	5.85		9,250		0.2 years	$	5.85		9,250	$	5.85
$	11.86		15,000		1.2 years	$	11.86		15,000	$	11.86
$	14.39		20,000		4.2 years	$	14.39		—		—
			44,250						24,250

Schedule of Nonvested Share Activity [Table Text Block]

During the year ended December 30, 2017, the following activity occurred under the Company’s stock option plan:

	Number of Options		Weighted Average Grant Date Fair Value
Nonvested balance, beginning of year		31,250	$	2.41
Granted		—		—
Vested		(11,250)	$	2.21
Forfeited		—		—
Nonvested balance, end of year		20,000	$	2.52