XML 19 R46.htm IDEA: XBRL DOCUMENT v2.4.1.9
Income Taxes (Details 2) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Current deferred tax assets (liabilities):    
Accrued expenses $ 114us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities $ 65us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
Accounts receivable 1,185zyxi_DeferredTaxAssetsAccountsReceivable 671zyxi_DeferredTaxAssetsAccountsReceivable
Inventory 1,603us-gaap_DeferredTaxAssetsInventory 970us-gaap_DeferredTaxAssetsInventory
Amortization   135us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets
Prepaid expenses (90)us-gaap_DeferredTaxLiabilitiesPrepaidExpenses (99)us-gaap_DeferredTaxLiabilitiesPrepaidExpenses
Stock based compensation 23us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost 23us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Tax credits and NOL carryforward   233zyxi_DeferredTaxAssetsTaxCreditAndOperatingLossCarryforwards
Other 9us-gaap_DeferredTaxAssetsOther 9us-gaap_DeferredTaxAssetsOther
Gross current deferred tax assets 2,844zyxi_DeferredTaxAssetsLiabilitiesGrossCurrent 2,007zyxi_DeferredTaxAssetsLiabilitiesGrossCurrent
Less: Valuation allowance (2,844)us-gaap_DeferredTaxAssetsValuationAllowanceCurrent (1,935)us-gaap_DeferredTaxAssetsValuationAllowanceCurrent
Net current deferred tax assets   72us-gaap_DeferredTaxAssetsLiabilitiesNetCurrent
Long-term deferred tax assets (liabilities):    
Amortization   135us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets
Property and equipment (553)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment (969)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Tax credits and NOL carryforward   233zyxi_DeferredTaxAssetsTaxCreditAndOperatingLossCarryforwards
Net long-term deferred tax liabilities 1,216zyxi_DeferredTaxAssetsLiabilitiesGrossNonCurrent (72)zyxi_DeferredTaxAssetsLiabilitiesGrossNonCurrent
Less: valuation allowance (1,216)us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent  
Other Noncurrent Assets    
Current deferred tax assets (liabilities):    
Amortization 125us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherNoncurrentAssetsMember		  
Tax credits and NOL carryforward 1,644zyxi_DeferredTaxAssetsTaxCreditAndOperatingLossCarryforwards
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherNoncurrentAssetsMember		  
Long-term deferred tax assets (liabilities):    
Amortization 125us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherNoncurrentAssetsMember		  
Deferred rent   897us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherNoncurrentAssetsMember
Tax credits and NOL carryforward $ 1,644zyxi_DeferredTaxAssetsTaxCreditAndOperatingLossCarryforwards
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherNoncurrentAssetsMember