Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows

v2.4.1.9
Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Cash flow from operating activities    
Net loss $ (32,582)us-gaap_NetIncomeLoss $ (8,286)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation expense 1,839us-gaap_Depreciation 1,706us-gaap_Depreciation
Amortization of intangible assets 501us-gaap_AmortizationOfIntangibleAssets 501us-gaap_AmortizationOfIntangibleAssets
Amortization of lease incentive for tenant improvements 20us-gaap_AmortizationOfLeaseIncentives 20us-gaap_AmortizationOfLeaseIncentives
Non cash interest expense 1,849us-gaap_AmortizationOfFinancingCostsAndDiscounts 431us-gaap_AmortizationOfFinancingCostsAndDiscounts
Loss on extinguishment of debt 2,194us-gaap_GainsLossesOnExtinguishmentOfDebt  
Stock based compensation 10,217us-gaap_ShareBasedCompensation 555us-gaap_ShareBasedCompensation
Change in fair value of derivative liabilities 251us-gaap_DerivativeGainLossOnDerivativeNet (3,970)us-gaap_DerivativeGainLossOnDerivativeNet
Loss on disposal of equipment 305us-gaap_GainLossOnSaleOfPropertyPlantEquipment 81us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Provision for inventory reserve 2,630amda_ProvisionForInventoryReserve 1,293amda_ProvisionForInventoryReserve
Bad debt expense 65us-gaap_ProvisionForDoubtfulAccounts 5us-gaap_ProvisionForDoubtfulAccounts
Offering costs 2,026amda_OfferingCost  
Changes in operating assets and liabilities:    
Trade accounts receivable 239us-gaap_IncreaseDecreaseInAccountsReceivable 1,194us-gaap_IncreaseDecreaseInAccountsReceivable
Prepaid expenses and other current assets 2,775us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets (4,220)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Inventories (3,438)us-gaap_IncreaseDecreaseInInventories (2,551)us-gaap_IncreaseDecreaseInInventories
Other long-term assets   3us-gaap_IncreaseDecreaseInOtherNoncurrentAssets
Accounts payable and accrued liabilities (3,413)us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 3,289us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Net cash used in operating activities (14,522)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations (9,949)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities    
Purchase of property and equipment (2,172)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (2,332)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Proceeds from sale of property and equipment 43us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment 37us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Decrease (increase) in restricted cash 392us-gaap_IncreaseDecreaseInRestrictedCash (132)us-gaap_IncreaseDecreaseInRestrictedCash
Proceeds from maturities of marketable securities   2,680us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
Net cash provided by (used in) investing activities (1,737)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations 253us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities    
Proceeds from issuance of common stock, net of issuance costs 15,369us-gaap_ProceedsFromIssuanceOfCommonStock  
Proceeds from issuance of units, net of issuance costs 11,320amda_ProceedsFromIssuanceOfUnits  
Proceeds from issuance of stock in connection with exercise of warrants   2,878us-gaap_ProceedsFromIssuanceOfWarrants
Proceeds from exercise of stock options   77us-gaap_ProceedsFromStockOptionsExercised
Proceeds from issuance of preferred stock   8,852us-gaap_ProceedsFromIssuanceOfConvertiblePreferredStock
Proceeds from line of credit   10,940us-gaap_ProceedsFromLinesOfCredit
Payments on line of credit   (13,513)us-gaap_RepaymentsOfLinesOfCredit
Payments on long-term debt (19,000)us-gaap_RepaymentsOfLongTermDebt  
Debt extinguishment payments (810)us-gaap_PaymentsOfDebtExtinguishmentCosts  
Proceeds from issuance of long-term debt 26,800us-gaap_ProceedsFromIssuanceOfLongTermDebt  
Payment of deferred financing costs (1,452)us-gaap_PaymentsOfFinancingCosts  
Net cash provided by financing activities 32,227us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations 9,234us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net increase (decrease) in cash and cash equivalents 15,968us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (462)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of period 2,279us-gaap_CashAndCashEquivalentsAtCarryingValue 2,741us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of period 18,247us-gaap_CashAndCashEquivalentsAtCarryingValue 2,279us-gaap_CashAndCashEquivalentsAtCarryingValue
Noncash investing and financing activities    
Preferred stock converted into common stock 161,456us-gaap_ConversionOfStockAmountConverted1  
Reclassification of warrant liability 5amda_ReclassificationOfWarrantLiability  
Stock and derivative liabilities issued with long-term debt 3,477amda_StockAndDerivativeLiabilitiesIssuedWithLongTermDebt  
Debt converted to common stock 1,500amda_DebtConvertedToCommonStock  
Derivative liabilities issued with preferred stock   871amda_DerivativeLiabilitiesIssuedWithPreferredStock
Supplemental cash flow information    
Cash paid for interest $ 1,731us-gaap_InterestPaid $ 1,403us-gaap_InterestPaid