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INCOME TAXES (Details 1) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Deferred tax assets - current:    
Bad debt reserves $ 52,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts $ 86,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
Inventory reserves 1,066,000us-gaap_DeferredTaxAssetsInventory 989,000us-gaap_DeferredTaxAssetsInventory
Warranty and other reserves 220,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves 314,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves
Deferred Tax Assets, Gross, Current 1,338,000us-gaap_DeferredTaxAssetsGrossCurrent 1,389,000us-gaap_DeferredTaxAssetsGrossCurrent
Valuation allowance 0us-gaap_DeferredTaxAssetsValuationAllowanceCurrent (11,000)us-gaap_DeferredTaxAssetsValuationAllowanceCurrent
Deferred Tax Assets, Net of Valuation Allowance, Current 1,338,000us-gaap_DeferredTaxAssetsNetCurrent 1,378,000us-gaap_DeferredTaxAssetsNetCurrent
Deferred tax (liabilities) - current:    
Prepaid expenses (189,000)us-gaap_DeferredTaxLiabilitiesPrepaidExpenses (210,000)us-gaap_DeferredTaxLiabilitiesPrepaidExpenses
Net deferred tax assets - current 1,149,000us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent 1,168,000us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent
Deferred tax assets - non-current    
Federal net operating loss 206,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic 2,195,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic
State net operating loss 208,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal 614,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
Tax credits 243,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwards 128,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwards
Stock based compensation 521,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost 455,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Other 95,000us-gaap_DeferredTaxAssetsOther 1,000us-gaap_DeferredTaxAssetsOther
Deferred Tax Assets, Gross, Noncurrent 1,273,000us-gaap_DeferredTaxAssetsGrossNoncurrent 3,393,000us-gaap_DeferredTaxAssetsGrossNoncurrent
Valuation allowance 0us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent (617,000)us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent 1,273,000us-gaap_DeferredTaxAssetsNetNoncurrent 2,776,000us-gaap_DeferredTaxAssetsNetNoncurrent
Deferred tax (liabilities) - non-current:    
Depreciation (1,036,000)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment (1,032,000)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Intangibles (2,864,000)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets (144,000)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
Goodwill (93,000)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill (6,000)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill
Deferred Tax Liabilities, Net, Noncurrent (3,993,000)us-gaap_DeferredTaxLiabilitiesNoncurrent (1,182,000)us-gaap_DeferredTaxLiabilitiesNoncurrent
Net deferred tax (liabilities) assets - non-current $ (2,720,000)us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent $ 1,594,000us-gaap_DeferredTaxAssetsLiabilitiesNetNoncurrent