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Acquisition (Pro Forma Results) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Acquisition [Abstract]    
Sales $ 36,060 $ 94,024
Net income $ (1,869) $ (1,515)
Net income (loss) per share - basic $ (0.06) $ (0.05)
Net income (loss) per share - diluted $ (0.06) $ (0.05)