Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue	$ 37,767	$ 33,477	$ 109,656	$ 98,503
Insurance Recoveries	0	533	0	533
Operating expenses:
Direct	13,707	12,189	38,184	36,369
Selling, general and administrative	9,523	7,953	29,060	25,554
Depreciation, amortization and impairment	1,399	1,847	5,016	4,623
Total operating expenses	24,629	21,989	72,260	66,546
Operating income	13,138	12,021	37,396	32,490
Other income (expense):
Interest income	4	2	10	15
Interest expense	(413)	(451)	(1,268)	(1,366)
Other, net	(105)	94	(8)	454
Total other income (expense)	(514)	(355)	(1,266)	(897)
Income before income taxes	12,624	11,666	36,130	31,593
Provision for income taxes	2,967	2,088	8,297	2,545
Net income	$ 9,657	$ 9,578	$ 27,833	$ 29,048
Earnings Per Share of Common Stock:
Basic Earnings Per Share (in dollars per share)	$ 0.38	$ 0.38	$ 1.09	$ 1.15
Diluted Earnings Per Share (in dollars per share)	$ 0.38	$ 0.37	$ 1.08	$ 1.13
Weighted average shares and share equivalents outstanding:
Basic (in shares)	25,427	25,219	25,423	25,113
Diluted (in shares)	25,650	25,704	25,655	25,701