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Note 16 - Segment Reporting - Summary of Amortizable Intangible Assets by Geographic Region (Details) - USD ($) | Dec. 31, 2017 | Dec. 31, 2016
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Amortizable intangible assets | $ 45,651,912 | $ 6,809,484
CANADA |  |
Amortizable intangible assets | 7,748,940 | 5,850,596
UNITED STATES |  |
Amortizable intangible assets | 37,783,202 | 633,798
GERMANY |  |
Amortizable intangible assets | $ 119,770 | $ 325,090

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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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