Select Balance Sheet Details - Inventories, Net (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Inventory Disclosure [Abstract]
Raw materials, Gross	$ 5,291	$ 5,863
Work-in-process, Gross	519	1,350
Finished goods, Gross	61,439	59,864
Inventory, Gross, Total	67,249	67,077
Finished goods, Reserve for excess and obsolete	(24,110)	(17,222)
Inventories, net, Reserve for excess and obsolete	(24,110)	(17,222)
Raw materials, Net	5,291	5,863
Work-in-process, Net	519	1,350
Finished goods, Net	37,329	42,642
Inventories, Net	$ 43,139	$ 49,855

Certain changes made in the current period to the value and amount of inventory reported.

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

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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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.

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

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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Amount of valuation reserve for inventory.

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Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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