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UNAUDITED CONSOLIDATED STATEMENTS OF INCOME - USD ($)	3 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Income Statement [Abstract]
Revenues	$ 74,067,429	$ 68,776,067
Cost of services	53,791,698	50,337,427
Gross profit	20,275,731	18,438,640
Selling, general and administrative expenses	16,203,624	13,620,423
Depreciation and amortization	1,414,713	1,231,509
Operating income	2,657,394	3,586,708
Interest expense, net	456,025	353,237
Income before income taxes	2,201,369	3,233,471
Income tax expense	702,509	737,447
Net income (loss)	$ 1,498,860	$ 2,496,024
Net income per share:
Basic (in dollars per share)	$ 0.15	$ 0.24
Diluted (in dollars per share)	$ 0.14	$ 0.24
Weighted-average shares outstanding:
Basic (shares)	10,308,445	10,229,462
Diluted (shares)	10,382,999	10,404,355
Cash dividends declared per common share	$ 0.30	$ 0.30

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