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v2.4.1.9

Income Taxes - Deferred Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Deferred tax assets: |  |
Net operating loss carryforwards | $ 31,252us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | $ 30,765us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Capital loss carryforwards |  | 109us-gaap_DeferredTaxAssetsCapitalLossCarryforwards
Inventory and other allowances | 29us-gaap_DeferredTaxAssetsInventory | 31us-gaap_DeferredTaxAssetsInventory
Charitable contribution carryforwards | 6us-gaap_DeferredTaxAssetsCharitableContributionCarryforwards | 5us-gaap_DeferredTaxAssetsCharitableContributionCarryforwards
Excess (tax) book depreciation | 601us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment | 492us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment
Excess (tax) book amortization | 62us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets | 62us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets
Share-based compensation | 1,326us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | 1,253us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Other accrued costs | 279us-gaap_DeferredTaxAssetsTaxDeferredExpense | 279us-gaap_DeferredTaxAssetsTaxDeferredExpense
Total deferred tax assets | 33,555us-gaap_DeferredTaxAssetsGross | 32,996us-gaap_DeferredTaxAssetsGross
Less: Valuation allowance | (33,555)us-gaap_DeferredTaxAssetsValuationAllowance | (32,996)us-gaap_DeferredTaxAssetsValuationAllowance
Deferred income taxes | $ 0us-gaap_DeferredTaxAssetsNet | $ 0us-gaap_DeferredTaxAssetsNet

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible charitable contribution carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
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