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Note 3 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Net sales | $ 116,333 | $ 113,370
Aerospace and Defense [Member] |  |
Net sales | 18,207 | 18,314
Medical [Member] |  |
Net sales | 62,612 | 49,974
Industrial [Member] |  |
Net sales | 35,514 | 45,082
Transferred over Time [Member] |  |
Net sales | 104,454 | 103,284
Transferred over Time [Member] | Aerospace and Defense [Member] |  |
Net sales | 16,892 | 17,263
Transferred over Time [Member] | Medical [Member] |  |
Net sales | 56,760 | 46,950
Transferred over Time [Member] | Industrial [Member] |  |
Net sales | 30,802 | 39,071
Transferred at Point in Time [Member] |  |
Net sales | 6,627 | 5,210
Transferred at Point in Time [Member] | Aerospace and Defense [Member] |  |
Net sales | 462 | 232
Transferred at Point in Time [Member] | Medical [Member] |  |
Net sales | 3,021 | 821
Transferred at Point in Time [Member] | Industrial [Member] |  |
Net sales | 3,144 | 4,157
Noncash Consideration [Member] |  |
Net sales | 5,252 | 4,876
Noncash Consideration [Member] | Aerospace and Defense [Member] |  |
Net sales | 853 | 819
Noncash Consideration [Member] | Medical [Member] |  |
Net sales | 2,831 | 2,203
Noncash Consideration [Member] | Industrial [Member] |  |
Net sales | $ 1,568 | $ 1,854

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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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