Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Net revenues	$ 252,876	$ 229,191
Cost of revenues	203,626	184,904
Gross profit	49,250	44,287
Selling, general and administrative expense	36,869	38,449
Depreciation and amortization	2,190	2,109
Operating income	10,191	3,729
Interest expense, net	1,046	1,095
Other (income), net	(266)	(406)
Income before income tax expense	9,411	3,040
Income tax expense	3,578	1,402
Net income	5,833	1,638
Net income attributable to non-controlling interest	(3,414)	(3,189)
Net income (loss) attributable to SPAR Group, Inc.	$ 2,419	$ (1,551)
Basic income (loss) per common share attributable to SPAR Group, Inc. (in dollars per share)	$ 0.12	$ (0.07)
Diluted income (loss) per common share attributable to SPAR Group, Inc. (in dollars per share)	$ 0.11	$ (0.07)
Weighted average common shares – basic (in shares)	20,916	20,684
Weighted average common shares – diluted (in shares)	21,157	20,684
Net income	$ 5,833	$ 1,638
Other comprehensive income (loss):
Foreign currency translation adjustments	538	(3,284)
Comprehensive income (loss)	6,371	(1,646)
Comprehensive income attributable to non-controlling interest	(3,930)	(1,837)
Comprehensive income (loss) attributable to SPAR Group, Inc.	$ 2,441	$ (3,483)