Earnings Per Share (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Basic [Abstract]
Weighted average shares outstanding (in shares)	6,259,872	6,254,287	6,258,278	6,250,185
Diluted [Abstract]
Weighted average shares outstanding (in shares)	6,259,872	6,254,287	6,258,278	6,250,185
Dilutive stock options (in shares)	36,679	0	36,679	0
Denominator for diluted earnings per share (in shares)	6,296,551	6,254,287	6,294,957	6,250,185