Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net revenues	$ 67,333	$ 69,832	$ 197,649	$ 196,626
Related party - cost of revenues	1,628	2,535	4,807	7,201
Cost of revenues	52,332	54,457	152,235	151,806
Gross profit	13,373	12,840	40,607	37,619
Selling, general and administrative expense	11,284	10,614	32,345	29,952
Depreciation and amortization	548	506	1,574	1,524
Operating income	1,541	1,720	6,688	6,143
Interest expense, net	380	270	1,248	595
Other income, net	(164)	(126)	(347)	(363)
Income before income tax expense	1,325	1,576	5,787	5,911
Income tax expense	227	676	1,806	1,942
Net income	1,098	900	3,981	3,969
Net income attributable to non-controlling interest	(839)	(932)	(2,217)	(2,180)
Net income (loss) attributable to SPAR Group, Inc.	$ 259	$ (32)	$ 1,764	$ 1,789
Basic income per common share attributable to SPAR Group, Inc. (in dollars per share)	$ 0.01	$ (0)	$ 0.08	$ 0.08
Diluted income per common share attributable to SPAR Group, Inc. (in dollars per share)	$ 0.01	$ (0)	$ 0.08	$ 0.08
Weighted-average common shares outstanding – basic (in shares)	23,237	22,227	23,201	21,873
Weighted-average common shares outstanding – diluted (in shares)	23,376	22,227	23,350	22,010
Net income	$ 1,098	$ 900	$ 3,981	$ 3,969
Foreign currency translation adjustments	(497)	(1,085)	(359)	(5,021)
Comprehensive income (loss)	601	(185)	3,622	(1,052)
Comprehensive (income) loss attributable to non-controlling interest	(688)	(303)	(1,788)	1,696
Comprehensive income (loss) attributable to SPAR Group, Inc.	$ (87)	$ (488)	$ 1,834	$ 644