Note 8 - Goodwill and Intangible Assets (Details Textual)	3 Months Ended
Dec. 31, 2019 USD ($)
Goodwill, Impairment Loss	$ 0
Goodwill and Intangible Assets, Foreign Currency Translation Gain (Loss)	$ 87,720

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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