Represents the amount of income tax expense (benefit) related to an uncertain tax position in a foreign jurisdiction.

No definition available.

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- Definition

Represents the amount of noncash tax expense from write-off of the deferred tax asset related to the write-off of deferred tax assets.

+ References

No definition available.

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- Definition

The gain (loss) resulting from the sale of a disposal group that is not a discontinued operation. It is included in income from continuing operations before income taxes in the income statement.

+ References

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

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- Definition

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References

No definition available.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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- Definition

Amount of valuation reserve for inventory.

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-Topic 210

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- Definition

Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions.

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- Definition

Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Quarterly Results of Operations (unaudited) (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Results of Operations (unaudited)
Revenue	$ 62,530,000us-gaap_SalesRevenueNet	$ 38,531,000us-gaap_SalesRevenueNet	$ 41,150,000us-gaap_SalesRevenueNet	$ 60,840,000us-gaap_SalesRevenueNet	$ 58,574,000us-gaap_SalesRevenueNet	$ 48,831,000us-gaap_SalesRevenueNet	$ 47,501,000us-gaap_SalesRevenueNet	$ 40,726,000us-gaap_SalesRevenueNet	$ 203,051,000us-gaap_SalesRevenueNet	$ 195,632,000us-gaap_SalesRevenueNet	$ 203,385,000us-gaap_SalesRevenueNet
Gross profit	18,796,000us-gaap_GrossProfit	15,144,000us-gaap_GrossProfit	14,484,000us-gaap_GrossProfit	21,740,000us-gaap_GrossProfit	21,280,000us-gaap_GrossProfit	16,976,000us-gaap_GrossProfit	16,737,000us-gaap_GrossProfit	12,943,000us-gaap_GrossProfit	70,164,000us-gaap_GrossProfit	67,935,000us-gaap_GrossProfit	58,171,000us-gaap_GrossProfit
Net loss	164,000	(4,704,000)	(6,900,000)	174,000	614,000	(4,750,000)	(4,019,000)	(8,988,000)	(11,266,000)	(17,144,000)	(34,034,000)
Net income (loss) per share basic and diluted (in dollars per share)	$ 0.00us-gaap_EarningsPerShareBasicAndDiluted	$ (0.04)us-gaap_EarningsPerShareBasicAndDiluted	$ (0.06)us-gaap_EarningsPerShareBasicAndDiluted	$ 0.00us-gaap_EarningsPerShareBasicAndDiluted	$ 0.01us-gaap_EarningsPerShareBasicAndDiluted	$ (0.04)us-gaap_EarningsPerShareBasicAndDiluted	$ (0.04)us-gaap_EarningsPerShareBasicAndDiluted	$ (0.08)us-gaap_EarningsPerShareBasicAndDiluted
Quarterly charges and expenses
Inventory reserves	800,000us-gaap_InventoryValuationReserves	800,000us-gaap_InventoryValuationReserves	200,000us-gaap_InventoryValuationReserves						800,000us-gaap_InventoryValuationReserves
Restructuring charges		2,300,000us-gaap_RestructuringCharges	100,000us-gaap_RestructuringCharges	200,000us-gaap_RestructuringCharges			400,000us-gaap_RestructuringCharges	1,800,000us-gaap_RestructuringCharges	2,621,000us-gaap_RestructuringCharges	2,334,000us-gaap_RestructuringCharges	4,169,000us-gaap_RestructuringCharges
Income related to an uncertain tax position in a certain foreign jurisdiction					400,000
Write off of deferred tax assets in foreign jurisdictions						400,000
Gain on sale of dry strip assets and intellectual property										1,167,000	7,904,000
Charges to cost of sales relating to inventory								2,100,000us-gaap_InventoryWriteDown	1,817,000us-gaap_InventoryWriteDown	2,562,000us-gaap_InventoryWriteDown	14,492,000us-gaap_InventoryWriteDown
Dry strip assets and intellectual property
Quarterly charges and expenses
Gain on sale of dry strip assets and intellectual property							$ 800,000	$ 400,000		$ 1,200,000	$ 7,900,000