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Note 3 - Restructuring and Other Charges (Details Textual) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jun. 10, 2021 | Sep. 30, 2021 | Jun. 30, 2021
EMS Segment Restructuring and Facility Consolidation [Member] |  |  |
Restructuring and Related Costs, Incurred Cost, Total |  |  | $ 132
EMS Segment Restructuring and Facility Consolidation [Member] | Minimum [Member] | Forecast [Member] |  |  |
Restructuring and Related Costs, Incurred Cost, Total |  | $ 50 |
EMS Segment Restructuring and Facility Consolidation [Member] | Maximum [Member] | Forecast [Member] |  |  |
Restructuring and Related Costs, Incurred Cost, Total |  | 100 |
Executive Management Changes [Member] |  |  |
Restructuring and Related Costs, Incurred Cost, Total |  |  | 347
Executive Management Changes [Member] | Employee Severance [Member] |  |  |
Restructuring and Related Costs, Incurred Cost, Total | $ 120 |  | 120
Executive Management Changes [Member] | Employee Severance [Member] | Restructuring and Other Charges [Member] |  |  |
Restructuring and Related Costs, Incurred Cost, Total |  |  | 120
Executive Management Changes [Member] | Legal Fees [Member] |  |  |
Restructuring and Related Costs, Incurred Cost, Total |  |  | 136
Executive Management Changes [Member] | Forecast [Member] | Consulting Fees [Member] |  |  |
Restructuring and Related Costs, Incurred Cost, Total |  | $ 24 |
Stock-based Compensation Expense [Member] | Modification Cost [Member] |  |  |
Restructuring and Related Costs, Incurred Cost, Total |  |  | 91
Other Restructuring Actions [Member] | Headcount Reductions and Employee Relocation [Member] |  |  |
Other Restructuring Costs |  |  | $ 46

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- Definition Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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