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Note 8 - Geographic Segment Data (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] |
|  | Net Sales to Outside Customers |
|  | For the Three Months Ended |
|  | September 30, |
|  | 2021 |  |  | 2020 |
United States |  | $ | 5,183,446 |  |  | $ | 4,616,118 |
Mexico |  |  | 1,050,785 |  |  |  | 1,364,648 |
|  | $ | 6,234,231 |  |  | $ | 5,980,766 |
|  | Net Sales to Outside Customers |
|  | For the Nine Months Ended |
|  | September 30, |
|  | 2021 |  |  | 2020 |
United States |  | $ | 17,494,388 |  |  | $ | 14,584,541 |
Mexico |  |  | 2,481,252 |  |  |  | 4,209,079 |
|  | $ | 19,975,640 |  |  | $ | 18,793,620 |
Long-lived Assets by Geographic Areas [Table Text Block] |
|  | Total Assets at |
|  | September 30, |  |  | December 31, |
|  | 2021 |  |  | 2020 |
United States |  | $ | 16,190,285 |  |  | $ | 12,458,706 |
Mexico |  |  | 8,691,996 |  |  |  | 8,798,046 |
Assets Held for Sale International Subsidiaries |  |  | - |  |  |  | 294,219 |
|  | $ | 24,882,281 |  |  | $ | 21,550,971 |

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- Definition Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 + Details
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