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v2.4.1.9

Deferred Income Tax Assets (liabilities) (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Current: |  |
Notes and accounts receivable | $ 141 simo_DeferredTaxAssetsAccountsReceivableAndAdvancePayments | $ 142 simo_DeferredTaxAssetsAccountsReceivableAndAdvancePayments
Stock-based compensation | 615 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | 679 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Allowance for sales return | 105 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances | 123 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances
Inventory reserve | 48 simo_DeferredTaxAssetsInventoryReservesAndValuationCurrent | 544 simo_DeferredTaxAssetsInventoryReservesAndValuationCurrent
Foreign currency translation | (1,273)us-gaap_DeferredTaxAssetsUnrealizedCurrencyLosses | 312 us-gaap_DeferredTaxAssetsUnrealizedCurrencyLosses
Others | 504 us-gaap_DeferredTaxAssetsOther | 561 us-gaap_DeferredTaxAssetsOther
Valuation allowance | (528)us-gaap_DeferredTaxAssetsValuationAllowanceCurrent | (1,083)us-gaap_DeferredTaxAssetsValuationAllowanceCurrent
Deferred Tax Assets, Net of Valuation Allowance, Current | (388)us-gaap_DeferredTaxAssetsNetCurrent | 1,278 us-gaap_DeferredTaxAssetsNetCurrent
Non-current: |  |
Inventory reserve | 766 simo_DeferredTaxAssetsInventoryReservesAndValuation | 590 simo_DeferredTaxAssetsInventoryReservesAndValuation
Property and equipment | 452 us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment | 651 us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment
Investment tax credits | 7,823 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther | 7,011 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther
Net operating loss carryforwards | 9,621 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | 8,540 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Others | (490)simo_DeferredTaxAssetsOtherNonCurrent | (885)simo_DeferredTaxAssetsOtherNonCurrent
Valuation allowance | (16,263)us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent | (15,193)us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent | $ 1,909 us-gaap_DeferredTaxAssetsNetNoncurrent | $ 714 us-gaap_DeferredTaxAssetsNetNoncurrent

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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31917-109318 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31931-109318 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31928-109318 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31958-109318 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss 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 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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