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Note 13 - Income Taxes - Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | [1] | Sep. 30, 2021 | [2] | Jun. 30, 2021 | [3] | Mar. 31, 2021 | [4] | Dec. 31, 2020 | [5] | Sep. 30, 2020 | [6] | Jun. 30, 2020 | [7] | Mar. 31, 2020 | [8] | Dec. 31, 2021 | Dec. 31, 2020
Domestic – Federal |  |  |  |  |  |  |  |  | $ 1,208 | $ (182)
Domestic – state |  |  |  |  |  |  |  |  | 140 | 53
Foreign |  |  |  |  |  |  |  |  | 259 | 135
Total |  |  |  |  |  |  |  |  | 1,607 | 6
Domestic – Federal |  |  |  |  |  |  |  |  | (387) | (299)
Domestic – state |  |  |  |  |  |  |  |  | (31) | (7)
Foreign |  |  |  |  |  |  |  |  | (70) | (36)
Total |  |  |  |  |  |  |  |  | (488) | (342)
Income tax expense (benefit) | $ (51) | $ 357 | $ 447 | $ 366 | $ (74) | $ (25) | $ 13 | $ (250) | $ 1,119 | $ (336)
[1] | The quarter ended December 31, 2021 includes a recovery of $17 of restructuring and other charges which are discussed in Note 5.
[2] | The quarter ended September 30, 2021 includes $51 of restructuring and other charges which are discussed in Note 5.
[3] | The quarter ended June 30, 2021 includes $197 of restructuring and other charges which are discussed in Note 5.
[4] | The quarter ended March 31, 2021 includes $55 of restructuring and other charges which are discussed in Note 5.
[5] | The quarter ended December 31, 2020 includes $1,078 of restructuring and other charges which are discussed in Note 5.
[6] | The quarter ended September 30, 2020 includes $161 of restructuring and other charges which are discussed in Note 5.
[7] | The quarter ended June 30, 2020 includes $38 of restructuring and other charges which are discussed in Note 5.
[8] | The quarter ended March 31, 2020 includes $8 of restructuring and other charges which are discussed in Note 5.

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