Annual report pursuant to Section 13 and 15(d)

Components of Deferred Tax Assets and Liabilities (Detail)

v2.4.1.9
Components of Deferred Tax Assets and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Schedule of Deferred Tax Assets and Liabilities [Line Items]    
Accounts receivable $ 233us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts $ 58us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
Inventories 1,847us-gaap_DeferredTaxAssetsInventory 473us-gaap_DeferredTaxAssetsInventory
Accrued expenses 818us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals 825us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals
Depreciation (5)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment 40us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Intangible assets (11,232)us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets (5,320)us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets
Stock options 1,339us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost 1,015us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Deferred revenue 22us-gaap_DeferredTaxAssetsDeferredIncome 46us-gaap_DeferredTaxAssetsDeferredIncome
Other 5us-gaap_DeferredTaxAssetsOther 6us-gaap_DeferredTaxAssetsOther
Net operating loss carry forwards 11,860us-gaap_DeferredTaxAssetsOperatingLossCarryforwards 9,316us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Deferred Tax Assets, Gross, Total 4,887us-gaap_DeferredTaxAssetsGross 6,459us-gaap_DeferredTaxAssetsGross
Valuation allowance (4,887)us-gaap_DeferredTaxAssetsValuationAllowance (6,459)us-gaap_DeferredTaxAssetsValuationAllowance
Deferred Tax Assets, Net, Total $ 0us-gaap_DeferredTaxAssetsLiabilitiesNet $ 0us-gaap_DeferredTaxAssetsLiabilitiesNet