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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) | 12 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Cash Flows From Operating Activities |  |  |  |
Net loss | $ (6,691,000)us-gaap_NetIncomeLoss |  | $ (3,118,000)us-gaap_NetIncomeLoss |
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |
Depreciation | 1,000 us-gaap_Depreciation |  | 2,000 us-gaap_Depreciation |
Stock-based compensation | 1,079,000 us-gaap_ShareBasedCompensation |  | 0 us-gaap_ShareBasedCompensation |
Changes in operating assets and liabilities: |  |  |  |
Prepaid expenses | (163,000)us-gaap_IncreaseDecreaseInPrepaidExpense |  | 1,000 us-gaap_IncreaseDecreaseInPrepaidExpense |
Accounts payable and accrued expenses | 388,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities |  | 146,000 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities |
Net Cash Used in Operating Activities | (5,386,000)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations |  | (2,969,000)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations |
Cash Flows From Investing Activities |  |  |  |
Purchases of property and equipment | (156,000)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |  | 0 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |
Net Cash Used in Investing Activities | (156,000)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations |  | 0 us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations |
Cash Flows From Financing Activities |  |  |  |
Advances from Former Parent | 0 us-gaap_ProceedsFromRelatedPartyDebt |  | 1,453,000 us-gaap_ProceedsFromRelatedPartyDebt |
Repayment of Former Parent advances | (537,000)us-gaap_RepaymentsOfRelatedPartyDebt |  | (916,000)us-gaap_RepaymentsOfRelatedPartyDebt |
Proceeds from issuance of common stock and warrants less issuance costs | 865,000 us-gaap_ProceedsFromIssuanceOrSaleOfEquity | [1] | 16,228,000 us-gaap_ProceedsFromIssuanceOrSaleOfEquity | [1]
Investment from Former Parent | 0 rtgn_InvestmentFromRelatedParty |  | 1,679,000 rtgn_InvestmentFromRelatedParty |
Net Cash Provided by Financing Activities | 328,000 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations |  | 18,444,000 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations |
Net (Decrease) Increase In Cash | (5,214,000)us-gaap_CashPeriodIncreaseDecrease |  | 15,475,000 us-gaap_CashPeriodIncreaseDecrease |
Cash - Beginning | 15,571,000 us-gaap_Cash |  | 96,000 us-gaap_Cash |
Cash - Ending | $ 10,357,000 us-gaap_Cash |  | $ 15,571,000 us-gaap_Cash |
[1] | During the year ended March 31, 2015, gross proceeds from the initial public offering of $1,117,000 less $252,000 of offering costs, of which $89,000 was withheld from the proceeds and $163,000 was paid in cash that was previously accrued at March 31, 2014. During the year ended March 31, 2014, gross proceeds from the initial public offering of $19,216,000 less $3,195,000 of offering costs, of which $2,826,000 was withheld from the proceeds, $206,000 was paid in cash (including $44,000 paid during the fiscal year ended March 31, 2013) and $163,000 was accrued as of March 31, 2014.

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