CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Dec. 27, 2020	Dec. 29, 2019	Dec. 30, 2018
Income Statement [Abstract]
Revenues	$ 277,890,880	$ 294,313,548	$ 286,862,926
Cost of services	201,670,876	213,632,283	210,267,734
Gross profit	76,220,004	80,681,265	76,595,192
Selling, general and administrative expenses	60,558,697	56,199,521	51,066,327
Gain on contingent consideration	(76,102)	0	(3,775,307)
Impairment losses	7,239,514	0	0
Depreciation and amortization	4,959,705	4,820,256	5,044,487
Operating income	3,538,190	19,661,488	24,259,685
Loss on extinguishment of debt	0	540,705	0
Interest expense, net	1,583,630	1,568,815	2,850,405
Income before income taxes	1,954,560	17,551,968	21,409,280
Income tax expense	513,092	4,304,978	3,859,739
Net income	1,441,468	13,246,990	17,549,541
Change in unrealized losses on cash flow hedges
Change in unrealized losses on cash flow hedges	122,874	0	0
Other comprehensive loss	122,874	0	0
Net comprehensive income	$ 1,318,594	$ 13,246,990	$ 17,549,541
Net income per share:
Basic (in dollars per share)	$ 0.14	$ 1.29	$ 1.83
Diluted (in dollars per share)	$ 0.14	$ 1.28	$ 1.79
Weighted average shares outstanding:
Basic (in shares)	10,311,606	10,238,565	9,577,498
Diluted (in shares)	10,338,029	10,350,775	9,808,080
Common stock, dividends, per share, declared	$ 0.50	$ 1.20	$ 1.15