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Note 10 - Earnings (Loss) Per Common Share - Reconciliation of Weighted Average Shares Outstanding Used in Calculation of Basic and Diluted (Loss) Earnings Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jul. 01, 2018
Jul. 02, 2017
Jul. 01, 2018
Jul. 02, 2017
Net loss $ 814 $ (3,147) $ (981) $ (6,455)
Less distributed and undistributed earnings allocable to restricted award holders (32) 0 0 0
Less dividends declared attributable to restricted award holders 0 0 0 0
Net income (loss) allocable to common stockholders $ 782 $ (3,147) $ (981) $ (6,455)
Basic (in dollars per share) $ 0.04 $ (0.15) $ (0.05) $ (0.32)
Diluted (in dollars per share) $ 0.04 $ (0.15) $ (0.05) $ (0.32)
Basic (in shares) 20,541 20,350 20,468 20,261
Weighted average additional shares assuming conversion of potential common shares (in shares) 314 0 0 0
Weighted average shares outstanding – diluted (in shares) 20,855 20,350 20,468 20,261