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Note 11 - Revenue (Tables) | 6 Months Ended
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Jun. 30, 2020
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Over time |  | $ | 57,649 |  |  | $ | 69,203 |  |  | $ | 118,527 |  |  | $ | 131,846 |
Point in time |  |  | 12,322 |  |  |  | - |  |  |  | 20,367 |  |  |  | - |
Net sales |  | $ | 69,971 |  |  | $ | 69,203 |  |  | $ | 138,894 |  |  | $ | 131,846 |

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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=121604090&loc=SL49130545-203045 + Details
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