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Major Customers (Details) - Customer Concentration Risk [Member] - Phillip Morris, British American, and Japan Tobacco [Member]	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Sales [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	23.00%	18.00%	42.00%
Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	12.00%

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
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-Publisher FASB
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