Note 6 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months				Nine Months
	Ended				Ended
	Sept. 30 ,		Oct. 1 ,		Sept. 30 ,		Oct. 1 ,
	201 7		201 6		201 7		201 6
Weighted average shares outstanding for basic calculation		14,220		14,094		14,203		14,143
Add: Effect of dilutive stock awards		-		-		-		-
Weighted average shares outstanding, adjusted for diluted calculation		14,220		14,094		14,203		14,143

Schedule of Stockholders Equity [Table Text Block]

									Accumulated
			Capital in						Other
	Common		Excess of			Retained			Comprehensive
	Stock		Par Value			Earnings			Loss
Balance at December 31, 2016	$	275	$	16,840		$	5,129		$	(2,262	)
Net loss		-		-			(707	)		-
Dividend payable adjustment due to restricted share forfeitures		-		-			134			-
Stock-based compensation		-		(23	)		-			-
Adjustment to net periodic benefit cost		-		-			-			81
Balance at September 30, 2017	$	275	$	16,817		$	4,556		$	(2,181	)