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Note 12 - Geographical Sales (Details) - Schedule of Sales by Geographic Region - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Geographical Areas |  |  |
Sales |  | $ 88,645,204 | $ 106,494,132
North America [Member] |  |  |
Geographical Areas |  |  |
Sales |  | 54,126,312 | 49,765,102
Europe [Member] |  |  |
Geographical Areas |  |  |
Sales |  | 0 | 3,456,045
CHINA |  |  |
Geographical Areas |  |  |
Sales |  | 11,331,108 | 14,598,858
AUSTRALIA |  |  |
Geographical Areas |  |  |
Sales |  | 11,075,268 | 25,895,686
Asia [Member] |  |  |
Geographical Areas |  |  |
Sales | [1] | 11,817,196 | 12,281,116
HONG KONG |  |  |
Geographical Areas |  |  |
Sales |  | 2,922 | 471,279
Other Countries [Member] |  |  |
Geographical Areas |  |  |
Sales |  | $ 292,398 | $ 26,046
[1] | excluding China and Hong Kong

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: 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=115205541&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 + Details
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