Concentration of Business and Credit Risk (Details) - Supplier	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Concentration Risk [Line Items]
Percentage of concentration risk	93.00%	93.00%
Number of suppliers	1	3
Net sales [Member]
Concentration Risk [Line Items]
Percentage of concentration risk	10.00%	10.00%
Net sales [Member] \| Honglang Carbon Industry Co., Ltd [Member]
Concentration Risk [Line Items]
Percentage of concentration risk	91.00%	68.00%
Net sales [Member] \| Nurol Teknoloji Sanayi Ve Madenci [Member]
Concentration Risk [Line Items]
Percentage of concentration risk		20.00%

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
-Topic 275
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
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-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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