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Concentrations of Credit Risk and Major Customers (Details Textual) | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Customers [Member] |  |  |  |  |
Concentrations of Credit Risk and Major Customers (Textual) |  |  |  |  |
Customer, concentration risk, description | Customers accounting for 10% or more |  | Customers accounting for 10% or more | Customers accounting for 10% or more |
Concentration risk, percentage |  | [1] | 12.00% |  | [1]
Customer [Member] | Accounts Receivable [Member] |  |  |  |  |
Concentrations of Credit Risk and Major Customers (Textual) |  |  |  |  |
Concentration risk, percentage |  |  | 24.07% |  |
Customer B [Member] |  |  |  |  |
Concentrations of Credit Risk and Major Customers (Textual) |  |  |  |  |
Concentration risk, percentage | 10.89% |  | 12.67% | 12.54% |
Customer B [Member] | Accounts Receivable [Member] |  |  |  |  |
Concentrations of Credit Risk and Major Customers (Textual) |  |  |  |  |
Concentration risk, percentage | 14.77% |  |  |  |
Customer C [Member] | Accounts Receivable [Member] |  |  |  |  |
Concentrations of Credit Risk and Major Customers (Textual) |  |  |  |  |
Concentration risk, percentage |  |  | 10.99% |  |
Customer E [Member] | Accounts Receivable [Member] |  |  |  |  |
Concentrations of Credit Risk and Major Customers (Textual) |  |  |  |  |
Concentration risk, percentage | 15.76% |  |  |  |
Suppliers [Member] |  |  |  |  |
Concentrations of Credit Risk and Major Customers (Textual) |  |  |  |  |
Supplier, concentration risk, description | Suppliers accounting for 10 |  | Suppliers accounting for 10% or more | Suppliers accounting for 10% or more |
Concentration risk, percentage | 10.65% |  | 14.12% |  | [1]
Suppliers [Member] | Account Payable [Member] |  |  |  |  |
Concentrations of Credit Risk and Major Customers (Textual) |  |  |  |  |
Concentration risk, percentage | 10.00% |  | 10.00% |  |
Suppliers [Member] | Notes Payable [Member] |  |  |  |  |
Concentrations of Credit Risk and Major Customers (Textual) |  |  |  |  |
Concentration risk, percentage | 10.00% |  | 10.00% |  |
[1] | Less than 10%

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- Definition Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes "Information about Major Customers" that may be disclosed elsewhere (for instance, segment disclosures). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6327-108592 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611 + Details
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- Definition Description of risks that arise due to the volume of business transacted with a particular supplier or reliance placed on that supplier. At a minimum, the description informs financial statement users of the general nature of the risk. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6327-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84177960&loc=d3e7102-108593 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592 + Details
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