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Note 11 - Geographical Sales (Tables)

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

Geographical distribution of sales consisted of the following for the nine and three months ended September 30, 2019 and 2018:

		Nine Months Ended September 30,								Three Months Ended September 30,
		2019				2018				2019				2018
Geographical Areas
North America		$	12,375,085			$	40,224,090			$	4,247,435			$	13,237,312
China			11,792,589				-				4,958,128				-
Australia			-				11,075,268				-				548,580
Asia*			-				11,677,878				-				2,816,233
Other countries			410,172				182,693				117,273				145,702
		$	24,577,846			$	63,159,929			$	9,322,836			$	16,747,827

* excluding China

X

- Definition

Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries.

+ References

Reference 1: 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=116634182&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599

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X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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