Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 28, 2020	Mar. 30, 2019
Earnings Per Share [Abstract]
Net income – basic and diluted	$ 4,188	$ 5,543
Basic weighted average shares outstanding (in shares)	12,233,477	11,960,944
Effect of dilutive non-vested restricted shares and units (in shares)	297,999	407,724
Effect of issuable shares related to acquisitions (in shares)	62,312	94,339
Diluted weighted average shares outstanding (in shares)	12,593,788	12,463,007

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of contingently issuable shares. Contingently issuable shares are those shares that are issuable for little or no cash contingent on certain conditions being met.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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