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Note 18 - Major Customers - Schedule of Major Customers (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Revenues	$ 10,191,691	$ 7,868,448	$ 20,369,250	$ 15,497,015
Americas [Member]
Revenues	9,048,167	5,051,072	17,769,488	11,104,110
Asia Pacific [Member]
Revenues	506,968	2,255,856	1,146,024	3,277,762
EMEA [Member]
Revenues	$ 636,556	$ 561,520	$ 1,453,738	$ 1,115,143

X

- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

+ Details

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Period Type:	duration

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- Details

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X

- Details

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Namespace Prefix:
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Period Type:

X

- Details

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