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Note 9 - Segment Information - Segment Reporting Information (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Net revenues | $ 61,097 | $ 61,348
Operating income (loss) | 2,718 | 1,477
Interest expense | 147 | 228
Other income, net | (75) | (8)
Income before income tax expense | 2,646 | 1,257
Income tax expense | 865 | 335
Net income | 1,781 | 922
Net income (loss) attributable to non-controlling interest | (864) | (624)
Net income attributable to SPAR Group, Inc. | 917 | 298
Depreciation and amortization | 530 | 540
Capital expenditures | 332 | 342
US Segment [Member] |  |
Net revenues | 23,676 | 23,289
Operating income (loss) | 757 | 307
Interest expense | 137 | 132
Other income, net | (2) | (1)
Income before income tax expense | 622 | 176
Income tax expense | 170 | 75
Net income | 452 | 101
Net income (loss) attributable to non-controlling interest | (80) | (63)
Net income attributable to SPAR Group, Inc. | 372 | 38
Depreciation and amortization | 390 | 414
Capital expenditures | 285 | 381
International Segment [Member] |  |
Net revenues | 37,421 | 38,059
Operating income (loss) | 1,961 | 1,170
Interest expense | 10 | 96
Other income, net | (73) | (7)
Income before income tax expense | 2,024 | 1,081
Income tax expense | 695 | 260
Net income | 1,329 | 821
Net income (loss) attributable to non-controlling interest | (784) | (561)
Net income attributable to SPAR Group, Inc. | 545 | 260
Depreciation and amortization | 140 | 126
Capital expenditures | $ 47 | $ (39)

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