For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Note 22. Concentrations of Risks (Details) - Customer Concentration Risk [Member] - Net sales [Member]	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Customer One [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	16.00%
Customer Two [Member]
Concentration Risk [Line Items]
Concentration risk, percentage		16.00%
Customer Three [Member]
Concentration Risk [Line Items]
Concentration risk, percentage		13.00%	47.00%
Minimum [Member]
Concentration Risk [Line Items]
Concentration risk, percentage, disclosure threshold	10.00%
Maximum [Member]
Concentration Risk [Line Items]
Concentration risk, percentage, disclosure threshold	10.00%