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Note 12 - Segments - Net Sales to External Customers by Geographic Area and by Major Product Line (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Net sales | $ 492,412 | $ 548,184
Connectivity Solutions [Member] |  |
Net sales | 172,348 | 186,724
Magnetic Solutions [Member] |  |
Net sales | 156,536 | 185,407
Power Solutions and Protection [Member] |  |
Net sales | 163,528 | 176,053
UNITED STATES |  |
Net sales | 256,044 | 271,691
MACAU |  |
Net sales | 154,745 | 187,204
UNITED KINGDOM |  |
Net sales | 24,877 | 26,340
SLOVAKIA |  |
Net sales | 22,705 | 24,123
GERMANY |  |
Net sales | 14,855 | 15,298
SWITZERLAND |  |
Net sales | 10,654 | 13,279
All Other Foreign Countries [Member] |  |
Net sales | $ 8,532 | $ 10,249

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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