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Note 6 - Acquisitions - Proforma Revenue and Earnings (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 28, 2019 | Sep. 29, 2018 | Sep. 28, 2019 | Sep. 29, 2018
Revenue | $ 40,250 | $ 42,559 | $ 142,550 | $ 145,081
Operating income | $ 731 | $ 1,232 | $ 4,579 | $ 3,842
Diluted net income per share (in dollars per share) |  | $ 0.06 |  | $ 0.17
TKE [Member] |  |  |  |
Revenue |  | $ 44,352 |  | $ 150,161
Operating income |  | $ 1,538 |  | $ 4,760
Diluted net income per share (in dollars per share) |  | $ 0.07 |  | $ 0.22

X
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