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CONDENSED CONSOLIDATED INCOME STATEMENTS (unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended
--- | ---
Mar. 30, 2019 | Mar. 31, 2018
CONDENSED CONSOLIDATED INCOME STATEMENTS (unaudited) |  |
Revenues | $ 105,849 | $ 99,476
Costs of services (exclusive of depreciation and amortization) | 73,635 | 69,391
Selling, general and administrative expenses | 22,743 | 21,650
Depreciation and amortization | 2,616 | 2,231
Income from operations | 6,855 | 6,204
Interest expense, net | (11) | (37)
Other expense, net | (744) | (241)
Income before provision for income taxes | 6,100 | 5,926
Provision for income taxes | 1,435 | 1,040
Net income | $ 4,665 | $ 4,886
Net income per share : |  |
Basic (in dollars per share) | $ 0.58 | $ 0.59
Diluted (in dollars per share) | $ 0.56 | $ 0.57
Weighted average number of shares outstanding: |  |
Basic (in shares) | 8,015 | 8,285
Diluted (in shares) | 8,346 | 8,580

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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(10)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(15)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(8)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 + Details
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