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STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Cash flows from operating activities:    
Net income $ 106us-gaap_NetIncomeLoss $ 164us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities:    
Amortization and depreciation 327us-gaap_DepreciationDepletionAndAmortization 394us-gaap_DepreciationDepletionAndAmortization
Deferred taxes (3)us-gaap_DeferredIncomeTaxExpenseBenefit (18)us-gaap_DeferredIncomeTaxExpenseBenefit
Stock-based compensation expense 179us-gaap_ShareBasedCompensation 189us-gaap_ShareBasedCompensation
Deferred rent expense 21us-gaap_StraightLineRent 1us-gaap_StraightLineRent
Gain on sale of property and equipment 0us-gaap_GainLossOnSaleOfPropertyPlantEquipment (8)us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Changes in operating assets and liabilities:    
Accounts receivable (885)us-gaap_IncreaseDecreaseInAccountsReceivable 167us-gaap_IncreaseDecreaseInAccountsReceivable
Prepaid expenses and other current assets (4)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets 9us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Accounts payable and accrued expenses 389us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities 208us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Deferred revenue 52us-gaap_IncreaseDecreaseInDeferredRevenue (41)us-gaap_IncreaseDecreaseInDeferredRevenue
Total adjustments 76us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities 901us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
Net cash provided by operating activities 182us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations 1,065us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities:    
Purchases of property and equipment (21)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (121)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Capitalization of internally developed software (474)us-gaap_PaymentsToDevelopSoftware (433)us-gaap_PaymentsToDevelopSoftware
Proceeds from the sale of property and equipment 0us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment 8us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Net cash used in investing activities (495)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations (546)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities:    
Repayment of long-term debt 0us-gaap_RepaymentsOfLongTermDebt (32)us-gaap_RepaymentsOfLongTermDebt
Repayment of capital lease obligations (187)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations (214)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations
Net cash used in financing activities (187)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations (246)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net increase (decrease) in cash and cash equivalents (500)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 273us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents - beginning 1,371us-gaap_CashAndCashEquivalentsAtCarryingValue 1,098us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents - ending 871us-gaap_CashAndCashEquivalentsAtCarryingValue 1,371us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental disclosure of cash flow information:    
Cash paid for interest 9us-gaap_InterestPaidNet 19us-gaap_InterestPaidNet
Cash paid for income taxes 3us-gaap_IncomeTaxesPaid 21us-gaap_IncomeTaxesPaid
Schedule of non-cash investing and financing activities:    
Issuance of common stock in settlement of accrued directors' fees 0us-gaap_StockIssued1 20us-gaap_StockIssued1
Equipment acquired by capital lease $ 0diri_AcquisitionOfEquipmentThroughIssuanceOfDebt $ 77diri_AcquisitionOfEquipmentThroughIssuanceOfDebt