Inventory (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Inventory [Line Items]
Raw material and supplies	$ 3,159	$ 3,052
Work in process	484us-gaap_InventoryWorkInProcess	931us-gaap_InventoryWorkInProcess
Finished goods	20,610us-gaap_InventoryFinishedGoods	14,852us-gaap_InventoryFinishedGoods
Inventory, Gross	24,254us-gaap_InventoryGross	18,835us-gaap_InventoryGross
Inventory Reserve	3,923us-gaap_InventoryValuationReserves	4,076us-gaap_InventoryValuationReserves
Inventory Net	$ 20,331us-gaap_InventoryNet	$ 14,759us-gaap_InventoryNet

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

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- Definition

Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Topic 210

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-Subparagraph (SX 210.5-02.6(a)(4),(5))

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Amount of valuation reserve for inventory.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 210

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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-Name Regulation S-X (SX)

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