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v3.10.0.1

Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Feb. 14, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Jul. 01, 2017 | Jun. 30, 2018 | Jul. 01, 2017
Revenue: |  |  |  |  |  |  |
Royalty revenue, franchise fees and other |  |  | $ 17,204 |  | $ 15,267 | $ 34,985 | $ 32,863
Advertising fees and related income |  |  | 8,355 |  | 7,466 | 16,960 | 14,734
Company-owned restaurant sales |  |  | 11,478 |  | 8,845 | 22,481 | 17,391
Total revenue |  |  | 37,037 |  | 31,578 | 74,426 | 64,988
Costs and expenses: |  |  |  |  |  |  |
Cost of sales (1) | [1] |  | 7,745 |  | 6,867 | 15,142 | 13,467
Advertising expenses |  |  | 8,209 |  | 7,574 | 16,852 | 16,857
Selling, general and administrative |  |  | 10,078 |  | 8,180 | 20,911 | 16,427
Depreciation and amortization |  |  | 1,079 |  | 771 | 2,029 | 1,526
Total costs and expenses |  |  | 27,111 |  | 23,392 | 54,934 | 48,277
Operating income |  |  | 9,926 |  | 8,186 | 19,492 | 16,711
Interest expense, net |  |  | 2,342 |  | 1,307 | 4,078 | 2,606
Income before income tax expense |  |  | 7,584 |  | 6,879 | 15,414 | 14,105
Income tax expense |  |  | 745 |  | 1,972 | 2,407 | 2,941
Net income |  |  | $ 6,839 |  | $ 4,907 | $ 13,007 | $ 11,164
Earnings per share |  |  |  |  |  |  |
Basic (in usd per share) |  |  | $ 0.23 |  | $ 0.17 | $ 0.45 | $ 0.39
Diluted (in usd per share) |  |  | $ 0.23 |  | $ 0.17 | $ 0.44 | $ 0.38
Weighted average shares outstanding |  |  |  |  |  |  |
Basic (in shares) |  |  | 29,230 |  | 29,032 | 29,173 | 28,964
Diluted (in shares) |  |  | 29,528 |  | 29,394 | 29,509 | 29,361
Dividends per share |  | $ 3.17 | $ 0.07 | $ 0.07 | $ 0 | $ 3.31 | $ 0
[1] | Cost of sales excludes depreciation and amortization, which are presented separately, and includes advertising expenses incurred at company-owned restaurants.

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