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Note 2 - Revenue Recognition (Tables) | 6 Months Ended
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Jun. 30, 2019
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
Geography |  | Percentage of Net Sales |
Americas |  |  | 56.2% |
Europe |  |  | 28.8% |
Asia-Pacific |  |  | 15.0% |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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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