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Domestic And Foreign Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Domestic And Foreign Income Taxes [Abstract]    
Net operating loss carry forwards and credits $ 8,125us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic $ 8,053us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic
Depreciation and amortization 284us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment 114us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment
Inventory 436us-gaap_DeferredTaxAssetsInventory 552us-gaap_DeferredTaxAssetsInventory
Compensation accruals 1,111us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits 1,148us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
Accruals and reserves 88us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals 120us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals
Credits 225us-gaap_DeferredTaxAssetsTaxCreditCarryforwards 225us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
Other 190us-gaap_DeferredTaxAssetsOther 186us-gaap_DeferredTaxAssetsOther
Total Deferred tax assets 10,459us-gaap_DeferredTaxAssetsGross 10,398us-gaap_DeferredTaxAssetsGross
Less: valuation allowance (10,105)us-gaap_DeferredTaxAssetsValuationAllowance (10,046)us-gaap_DeferredTaxAssetsValuationAllowance
Deferred tax assets net of valuation allowance 354us-gaap_DeferredTaxAssetsNet 352us-gaap_DeferredTaxAssetsNet
Undistributed Earnings of Foreign Subsidiary (354)us-gaap_UndistributedEarningsOfForeignSubsidiaries (352)us-gaap_UndistributedEarningsOfForeignSubsidiaries
Total deferred tax liabilities (354)us-gaap_DeferredIncomeTaxLiabilities (352)us-gaap_DeferredIncomeTaxLiabilities
Net deferred tax