Trade Receivables, Net (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade receivables	$ 61,707	$ 71,247
Allowance for doubtful accounts	(400)	(400)
Allowance for discounts	(1,225)	(1,405)
Trade receivables, net	$ 60,082	$ 69,442
Accounts Receivable [Member] \| Customer One [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of customers	22.00%	19.00%
Accounts Receivable [Member] \| Customer Two [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of customers	20.00%	15.00%
Accounts Receivable [Member] \| Customer Three [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of customers	12.00%	14.00%
Accounts Receivable [Member] \| Customer Four [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of customers		11.00%

Allowance For Discounts Accounts Receivable Current

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- Definition

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

No definition available.

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- Definition

Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

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- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

+ References

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-Publisher FASB
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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

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