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Note 13 - Net Income (Loss) Per Share - Schedule of Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
Basic weighted average number of common shares outstanding (in shares) 18,464,929   18,253,066   18,445,775 18,222,426
Dilutive securities (1) (in shares) [1],[2] 0   0   0 0
Total shares including dilutive securities (in shares) 18,464,929   18,253,066   18,445,775 18,222,426
Net income (loss) from continuing operations $ (2,174)   $ (2,075)   $ (1,090) $ (2,434)
Loss from discontinued operations, net of income tax 0   (93)   0 (140)
Net loss $ (2,174) $ 1,084 $ (2,168) $ (406) $ (1,090) $ (2,574)
Basic and diluted per common share from continuing operations (in dollars per share) $ (0.12)   $ (0.11)   $ (0.06) $ (0.13)
Basic and diluted per common share from discontinued operations (in dollars per share) 0   (0.01)   0 (0.01)
Basic and diluted per common share (in dollars per share) (0.12)   (0.12)   (0.06) (0.14)
Diluted net income (loss) per common share from continuing operations (in dollars per share) (0.12)   (0.11)   (0.06) (0.13)
Diluted loss per common share from discontinued operations (in dollars per share) 0   (0.01)   0 (0.01)
Diluted net income (loss) per common share (in dollars per share) $ (0.12)   $ (0.12)   $ (0.06) $ (0.14)
[1] Dilutive securities include the dilutive effect of incremental shares for unvested restricted stock units ("RSUs") and unexercised stock options from the Company's stock-based compensation awards. The dilutive RSUs and stock options are calculated under the treasury stock method. For the three months ended June 30, 2023, 2,074,505 of stock options were excluded from dilutive shares because their effect would be anti-dilutive, and 105,843 of RSUs were excluded.
[2] The Company had no dilutive securities for the three months ended June 30, 2022 since the Company incurred net losses for both continuing and discontinued operations for these periods and inclusion would be antidilutive.