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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Cash flows from operating activities:    
Net loss $ (13,699,362)us-gaap_NetIncomeLoss $ (8,020,515)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 827,609us-gaap_DepreciationDepletionAndAmortization 632,975us-gaap_DepreciationDepletionAndAmortization
Amortization of loan costs and debt discounts 57,681us-gaap_AmortizationOfFinancingCostsAndDiscounts 0us-gaap_AmortizationOfFinancingCostsAndDiscounts
Bad debt expense 5,842,212us-gaap_ProvisionForDoubtfulAccounts 3,165,918us-gaap_ProvisionForDoubtfulAccounts
Share-based compensation - employees 776,245us-gaap_ShareBasedCompensation 474,101us-gaap_ShareBasedCompensation
Restricted stock compensation - consultants 86,250us-gaap_RestrictedStockExpense 0us-gaap_RestrictedStockExpense
Changes in operating assets and liabilities:    
Accounts receivable (7,426,707)us-gaap_IncreaseDecreaseInAccountsReceivable (3,761,817)us-gaap_IncreaseDecreaseInAccountsReceivable
Prepaid expenses and other current assets (205,293)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets (371,945)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Accounts payable (84,571)us-gaap_IncreaseDecreaseInAccountsPayable 503,190us-gaap_IncreaseDecreaseInAccountsPayable
Accrued expenses 155,043us-gaap_IncreaseDecreaseInAccruedLiabilities 322,762us-gaap_IncreaseDecreaseInAccruedLiabilities
Accrued royalties (325,932)us-gaap_IncreaseDecreaseInRoyaltiesPayable 580,941us-gaap_IncreaseDecreaseInRoyaltiesPayable
Accrued payroll and related liabilities (303,250)us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities 468,658us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities
Deferred revenue 0us-gaap_IncreaseDecreaseInDeferredRevenue (483,052)us-gaap_IncreaseDecreaseInDeferredRevenue
Net cash used in operating activities (14,300,075)us-gaap_NetCashProvidedByUsedInOperatingActivities (6,488,784)us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash flows from investing activities:    
Purchase of property and equipment (49,907)us-gaap_PaymentsToAcquireProductiveAssets (428,487)us-gaap_PaymentsToAcquireProductiveAssets
Purchase and capitalization of software (54,132)us-gaap_PaymentsToDevelopSoftware (179,387)us-gaap_PaymentsToDevelopSoftware
Cash paid for purchase of assets 0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (200,000)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Proceeds from sale of equipment 2,000us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment 0us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Net cash used in investing activities (102,039)us-gaap_NetCashProvidedByUsedInInvestingActivities (807,874)us-gaap_NetCashProvidedByUsedInInvestingActivities
Cash flows from financing activities:    
Proceeds from issuance of common stock, net of offering costs 0us-gaap_ProceedsFromIssuanceOfCommonStock 6,571,324us-gaap_ProceedsFromIssuanceOfCommonStock
Proceeds from the issuance of debt, net of costs and debt discount of $386,112 8,113,888us-gaap_ProceedsFromIssuanceOfDebt 0us-gaap_ProceedsFromIssuanceOfDebt
Proceeds from line of credit 500,000us-gaap_ProceedsFromLinesOfCredit 0us-gaap_ProceedsFromLinesOfCredit
Proceeds from exercise of stock options 23,200us-gaap_ProceedsFromStockOptionsExercised 23,993us-gaap_ProceedsFromStockOptionsExercised
Capital lease payments (168,551)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations (188,072)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations
Net cash provided by financing activities 8,468,537us-gaap_NetCashProvidedByUsedInFinancingActivities 6,407,245us-gaap_NetCashProvidedByUsedInFinancingActivities
Effect of foreign exchange rates on cash and cash equivalents 7,469us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents (3,466)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
Net decrease in cash and cash equivalents (5,926,108)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (892,879)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents:    
Beginning of the year 8,148,599us-gaap_CashAndCashEquivalentsAtCarryingValue 9,041,478us-gaap_CashAndCashEquivalentsAtCarryingValue
End of the year 2,222,491us-gaap_CashAndCashEquivalentsAtCarryingValue 8,148,599us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash paid during the period for:    
Income taxes 0us-gaap_IncomeTaxesPaid 0us-gaap_IncomeTaxesPaid
Interest 664,727us-gaap_InterestPaid 91,844us-gaap_InterestPaid
Supplemental disclosure of non-cash financing activities:    
Equipment and software acquired under capital leases 71,317us-gaap_CapitalLeaseObligationsIncurred 239,150us-gaap_CapitalLeaseObligationsIncurred
Warrants issued with term debt 377,140us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1 0us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1
Assets acquired by issuance of common stock 0us-gaap_StockIssued1 980,000us-gaap_StockIssued1
Reclassification of mezzanine equity to Stockholders’ Equity (Deficit) $ 5,500,000rgdx_ReclassificationOfMezzanineEquityToStockholdersEquityDeficit $ 6,275,723rgdx_ReclassificationOfMezzanineEquityToStockholdersEquityDeficit