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v3.19.3.a.u2

Note 2 - Business Segment Information (Details Textual) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Number of Reportable Segments | 3 |  |
Revenue, Segment Benchmark [Member] | Customer Concentration Risk [Member] |  |  |
Number of Customers | 0 | 0 | 0
Revenue, Segment Benchmark [Member] | Customer Concentration Risk [Member] | Electric [Member] |  |  |
Number of Customers | 1 |  |
Concentration Risk, Percentage | 11.90% |  |
Revenue, Segment Benchmark [Member] | Customer Concentration Risk [Member] | Manufacturing [Member] |  |  |
Number of Customers | 5 |  |
Concentration Risk, Percentage | 54.00% |  |
Revenue, Segment Benchmark [Member] | Customer Concentration Risk [Member] | Manufacturing [Member] | Customer that Manufactures and Sells Recreational Vehicles [Member] |  |  |
Number of Customers | 1 |  |
Concentration Risk, Percentage | 23.80% |  |
Revenue, Segment Benchmark [Member] | Customer Concentration Risk [Member] | Manufacturing [Member] | Customer that Manufactures and Sells Lawn and Garden Equipment [Member] |  |  |
Number of Customers | 1 |  |
Concentration Risk, Percentage | 11.10% |  |
Revenue, Segment Benchmark [Member] | Customer Concentration Risk [Member] | Plastics [Member] |  |  |
Number of Customers | 2 |  |
Revenue, Segment Benchmark [Member] | Customer Concentration Risk [Member] | Plastics [Member] | Customer One [Member] |  |  |
Concentration Risk, Percentage | 25.30% |  |
Revenue, Segment Benchmark [Member] | Customer Concentration Risk [Member] | Plastics [Member] | Customer Two [Member] |  |  |
Concentration Risk, Percentage | 20.40% |  |
Revenue Benchmark [Member] | UNITED STATES |  |  |
Concentration Risk, Percentage | 98.80% | 98.40% | 98.20%

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
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