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Note 23 - Quarterly Financial Information (Unaudited) - Schedule of Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Revenues | $ 30,972 | $ 27,418 | $ 29,584 | $ 28,202 | $ 33,858 | $ 28,635 | $ 31,522 | $ 26,759 | $ 116,176 | $ 120,774
Cost of revenues | 13,738 | 12,439 | 13,629 | 12,048 | 15,118 | 12,818 | 16,167 | 13,490 | 51,854 | 57,593
Gross profit | 17,234 | 14,979 | 15,955 | 16,154 | 18,740 | 15,817 | 15,355 | 13,269 | 64,322 | 63,181
Total operating expenses | 15,601 | 16,344 | 15,727 | 16,273 | 16,998 | 14,927 | 15,737 | 14,535 | 63,945 | 62,197
Operating (loss) income | 1,633 | (1,365) | 228 | (119) | 1,742 | 890 | (382) | (1,266) | 377 | 984
Other expense, net | (1,535) | (1,309) | (1,360) | (1,675) | (1,697) | (1,798) | (1,485) | (3,979) | (5,879) | (8,959)
(Loss) income before income taxes | 98 | (2,674) | (1,132) | (1,794) | 45 | (908) | (1,867) | (5,245) | (5,502) | (7,975)
Income Tax Expense (Benefit), Total | (452) | (54) | (885) | 576 | (3,260) | (652) | (369) | 605 | (815) | (3,676)
Net (loss) income | $ 550 | $ (2,620) | $ (247) | $ (2,370) | $ 2,862 | $ (256) | $ (1,464) | $ (4,064) | $ (4,687) | $ (2,922)
Basic loss per common share (in dollars per share) | $ 0.02 | $ (0.07) | $ (0.01) | $ (0.06) | $ 0.08 | $ (0.01) | $ (0.04) | $ (0.11) | $ (0.12) | $ (0.08)
Diluted loss per common share (in dollars per share) | $ 0.02 | $ (0.07) | $ (0.01) | $ (0.06) | $ 0.08 | $ (0.01) | $ (0.04) | $ (0.11) | $ (0.12) | $ (0.08)
Net (loss) income from continuing operations |  |  |  |  | $ 3,305 | $ (256) | $ (1,498) | $ (5,850) | $ (4,687) | $ (4,299)
Income (loss) from discontinued operations, net of tax |  |  |  |  | $ (443) | $ 0 | $ 34 | $ 1,786 |  | $ 1,377
Basic loss per common share from continuing operations (in dollars per share) |  |  |  |  | $ 0.09 | $ (0.01) | $ (0.04) | $ (0.16) | $ (0.12) | $ (0.12)
Basic earnings per common share from discontinued operations (in dollars per share) |  |  |  |  | (0.01) | 0 | 0 | 0.05 |  | 0.04
Diluted loss per common share from continuing operations (in dollars per share) |  |  |  |  | 0.09 | (0.01) | (0.04) | (0.16) | (0.12) | (0.12)
Diluted earnings per common share from discontinued operations (in dollars per share) |  |  |  |  | $ (0.01) | $ 0 | $ 0 | $ 0.05 |  | $ 0.04

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