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Note 13 - Income Taxes - Effective Tax Rate Analysis and Reconciliation of Expected Statutory Rate (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
Expected income tax expense (benefit) at U.S. statutory rate                 $ 1,764 $ (259)
Acquisition costs                 163 0
Dividend from foreign subsidiaries                 146 83
NOL carryforwards utilized                 56 64
Restricted stock compensation                 (126) 62
Global intangible low taxed income                 28 35
Nondeductible expenses                 8 8
Current year tax credits (foreign and research)                 (386) (82)
Domestic tax benefit, net of Federal benefit                 153 (68)
Changes in valuation allowance                 (105) (65)
Foreign income tax rate differences                 9 (34)
Section 250 foreign derived intangible income deduction                 (599) (9)
Other                 8 (71)
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.