Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)	Total	Common Stock	Additional Paid-In Capital	Retained Earnings
Beginning Balance (in shares) at Dec. 29, 2018		12,550,711
Beginning Balance at Dec. 29, 2018	$ 317,542,000	$ 126,000	$ 236,525,000	$ 80,891,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation	1,798,000		1,798,000
Restricted stock issuance, net (in shares)		(6,750,000)
Restricted stock issuance, net	0	$ (100)	100
Stock issuance for acquisitions (in shares)		9,969,000
Stock issuance for acquisitions	563,000	$ 100	563,000
Proceeds from secondary offering, net of costs (in shares)		11,185,000
Stock Issued During Period, Value, Other	725,000	$ 100	725,000
Net income	5,543,000			5,543,000
Ending Balance (in shares) at Mar. 30, 2019		12,565,115
Ending Balance at Mar. 30, 2019	326,171,000	$ 126,000	239,611,000	86,434,000
Beginning Balance (in shares) at Dec. 28, 2019		12,852,357
Beginning Balance at Dec. 28, 2019	355,963,000	$ 129,000	251,187,000	104,647,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation	3,379,000		3,379,000
Restricted stock issuance, net (in shares)		4,417
Restricted stock issuance, net	0
Stock issuance for acquisitions (in shares)		12,406
Stock issuance for acquisitions	558,000		558,000
Proceeds from secondary offering, net of costs (in shares)		5,244
Stock Issued During Period, Value, Other	278,000		278,000
Net income	4,188,000			4,188,000
Ending Balance (in shares) at Mar. 28, 2020		12,874,424
Ending Balance at Mar. 28, 2020	$ 364,366,000	$ 129,000	$ 255,402,000	$ 108,835,000