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Note 3 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Revenues | $ 25,402 | $ 23,615
Transferred at Point in Time [Member] |  |
Revenues | 22,993 | 20,158
Transferred over Time [Member] |  |
Revenues | 2,409 | 3,457
Connectivity Products [Member] |  |
Revenues | 20,910 | 17,969
Smart Sensing Products [Member] |  |
Revenues | 4,492 | 5,646
License [Member] |  |
Revenues | 14,397 | 14,495
License [Member] | Transferred at Point in Time [Member] |  |
Revenues | 11,988 | 11,038
License [Member] | Transferred over Time [Member] |  |
Revenues | 2,409 | 3,457
License [Member] | Connectivity Products [Member] |  |
Revenues | 12,805 | 10,927
License [Member] | Smart Sensing Products [Member] |  |
Revenues | 1,592 | 3,568
Royalty [Member] |  |
Revenues | 11,005 | 9,120
Royalty [Member] | Transferred at Point in Time [Member] |  |
Revenues | 11,005 | 9,120
Royalty [Member] | Transferred over Time [Member] |  |
Revenues | 0 | 0
Royalty [Member] | Connectivity Products [Member] |  |
Revenues | 8,105 | 7,042
Royalty [Member] | Smart Sensing Products [Member] |  |
Revenues | 2,900 | 2,078
UNITED STATES |  |
Revenues | 3,950 | 3,295
UNITED STATES | License [Member] |  |
Revenues | 572 | 2,782
UNITED STATES | Royalty [Member] |  |
Revenues | 3,378 | 513
Europe and Middle East [Member] |  |
Revenues | 1,099 | 5,103
Europe and Middle East [Member] | License [Member] |  |
Revenues | 423 | 1,059
Europe and Middle East [Member] | Royalty [Member] |  |
Revenues | 676 | 4,044
Asia Pacific [Member] |  |
Revenues | 20,353 | 15,217
Asia Pacific [Member] | License [Member] |  |
Revenues | 13,402 | 10,654
Asia Pacific [Member] | Royalty [Member] |  |
Revenues | $ 6,951 | $ 4,563

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- Definition Amount, including 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 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 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=121604090&loc=SL49130545-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 8: 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=121604090&loc=SL49130543-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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