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BALANCE SHEET DETAILS - Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Inventories:
Raw materials	$ 1,665	$ 3,610
Work in process	2,992	2,674
Finished goods	21,731	10,855
Total Inventory	26,388	17,139
Finished goods at customer sites	$ 14,400	$ 10,600

X

- Definition

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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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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- Definition

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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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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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date, of merchandise or goods at customer sites for which the customer has taken possession, but based on contractual terms, title has not yet passed to the customer.

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