Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Net Loss Per Share - Schedule of Net Loss Per Share (Details)

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Note 11 - Net Loss Per Share - Schedule of Net Loss Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2020
Sep. 30, 2019
Net Income (Loss) Attributable to Parent, Total $ (3,193) $ (2,474) $ (2,425) $ (2,448) $ (2,469) $ (3,252) $ (8,092) $ (8,169)
Weighted average shares outstanding—basic and diluted (in shares) 16,689,074     12,006,874     14,652,749 11,981,233
Basic and diluted net loss per share (in dollars per share) $ (0.19)     $ (0.20)     $ (0.55) $ (0.68)