XML 60 R46.htm IDEA: XBRL DOCUMENT v3.20.4
Note 1 - Organization and Significant Accounting Policies - Calculation of Basic and Diluted Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Numerator:      
Net income (loss) $ (2,379) $ 28 $ 574
Denominator (in thousands):      
Basic weighted-average common stock outstanding (in shares) 22,107 21,932 22,034
Effect of stock-based awards (in shares) 0 391 469
Diluted weighted-average common stock outstanding (in shares) 22,107 22,323 22,503
Basic net income (loss) per share (in dollars per share) $ (0.11) $ 0.00 $ 0.03
Diluted net income (loss) per share (in dollars per share) $ (0.11) $ 0.00 $ 0.03