3.19.2 html 98 245 1 false 28 0 false 5 false false R1.htm 00000001 - Document - Document and Entity Information Sheet http://phiopharma.com/taxonomy/role/DocumentandEntityInformation Document and Entity Information Cover 1 false false R2.htm 00000002 - Statement - Condensed Consolidated Balance Sheets (Unaudited) Sheet http://phiopharma.com/role/BalanceSheets Condensed Consolidated Balance Sheets (Unaudited) Statements 2 false false R3.htm 00000003 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) Sheet http://phiopharma.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) Statements 3 false false R4.htm 00000004 - Statement - Condensed Consolidated Statements of Operations (Unaudited) Sheet http://phiopharma.com/role/StatementsOfOperations Condensed Consolidated Statements of Operations (Unaudited) Statements 4 false false R5.htm 00000005 - Statement - Condensed Consolidated Statements of Stockholders' Equity Sheet http://phiopharma.com/role/StatementsOfStockholdersEquity Condensed Consolidated Statements of Stockholders' Equity Statements 5 false false R6.htm 00000006 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) Sheet http://phiopharma.com/role/StatementsOfStockholdersEquityParenthetical Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) Statements 6 false false R7.htm 00000007 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Sheet http://phiopharma.com/role/StatementsOfCashFlows Condensed Consolidated Statements of Cash Flows (Unaudited) Statements 7 false false R8.htm 00000008 - Disclosure - 1. Nature of Operations Sheet http://phiopharma.com/role/NatureOfOperations 1. Nature of Operations Notes 8 false false R9.htm 00000009 - Disclosure - 2. Significant Accounting Policies Sheet http://phiopharma.com/role/SignificantAccountingPolicies 2. Significant Accounting Policies Notes 9 false false R10.htm 00000010 - Disclosure - 3. Recent Accounting Pronouncements Sheet http://phiopharma.com/role/RecentAccountingPronouncements 3. Recent Accounting Pronouncements Notes 10 false false R11.htm 00000011 - Disclosure - 4. Leases Sheet http://phiopharma.com/role/Leases 4. Leases Notes 11 false false R12.htm 00000012 - Disclosure - 5. Stockholders' Equity Sheet http://phiopharma.com/role/StockholdersEquity 5. Stockholders' Equity Notes 12 false false R13.htm 00000013 - Disclosure - 6. Net Loss per Share Sheet http://phiopharma.com/role/NetLossPerShare 6. Net Loss per Share Notes 13 false false R14.htm 00000014 - Disclosure - 7. Stock-based Compensation Sheet http://phiopharma.com/role/Stock-basedCompensation 7. Stock-based Compensation Notes 14 false false R15.htm 00000015 - Disclosure - 8. Subsequent Events Sheet http://phiopharma.com/role/SubsequentEvents 8. Subsequent Events Notes 15 false false R16.htm 00000016 - Disclosure - 2. Significant Accounting Policies (Policies) Sheet http://phiopharma.com/role/SignificantAccountingPoliciesPolicies 2. Significant Accounting Policies (Policies) Policies http://phiopharma.com/role/SignificantAccountingPolicies 16 false false R17.htm 00000017 - Disclosure - 4. Leases (Tables) Sheet http://phiopharma.com/role/LeasesTables 4. Leases (Tables) Tables http://phiopharma.com/role/Leases 17 false false R18.htm 00000018 - Disclosure - 5. Stockholders' Equity (Tables) Sheet http://phiopharma.com/role/StockholdersEquityTables 5. Stockholders' Equity (Tables) Tables http://phiopharma.com/role/StockholdersEquity 18 false false R19.htm 00000019 - Disclosure - 6. Net Loss per Share (Tables) Sheet http://phiopharma.com/role/NetLossPerShareTables 6. Net Loss per Share (Tables) Tables http://phiopharma.com/role/NetLossPerShare 19 false false R20.htm 00000020 - Disclosure - 7. Stock-based Compensation (Tables) Sheet http://phiopharma.com/role/Stock-basedCompensationTables 7. Stock-based Compensation (Tables) Tables http://phiopharma.com/role/Stock-basedCompensation 20 false false R21.htm 00000021 - Disclosure - 3. Recent Accounting Pronouncements (Details Narrative) Sheet http://phiopharma.com/role/RecentAccountingPronouncementsDetailsNarrative 3. Recent Accounting Pronouncements (Details Narrative) Details http://phiopharma.com/role/RecentAccountingPronouncements 21 false false R22.htm 00000022 - Disclosure - 4. Leases (Details) Sheet http://phiopharma.com/role/LeasesDetails 4. Leases (Details) Details http://phiopharma.com/role/LeasesTables 22 false false R23.htm 00000023 - Disclosure - 4. Leases (Details Narrative) Sheet http://phiopharma.com/role/LeasesDetailsNarrative 4. Leases (Details Narrative) Details http://phiopharma.com/role/LeasesTables 23 false false R24.htm 00000024 - Disclosure - 5. Stockholders' Equity (Details - Warrants outstanding) Sheet http://phiopharma.com/role/StockholdersEquityDetails-WarrantsOutstanding 5. Stockholders' Equity (Details - Warrants outstanding) Details http://phiopharma.com/role/StockholdersEquityTables 24 false false R25.htm 00000025 - Disclosure - 5. Stockholders' Equity (Details Narrative) Sheet http://phiopharma.com/role/StockholdersEquityDetailsNarrative 5. Stockholders' Equity (Details Narrative) Details http://phiopharma.com/role/StockholdersEquityTables 25 false false R26.htm 00000026 - Disclosure - 6. Net Loss per Share (Details - Antidilutive shares) Sheet http://phiopharma.com/role/NetLossPerShareDetails-AntidilutiveShares 6. Net Loss per Share (Details - Antidilutive shares) Details http://phiopharma.com/role/NetLossPerShareTables 26 false false R27.htm 00000027 - Disclosure - 7. Stock-based Compensation (Details - Assumptions) Sheet http://phiopharma.com/role/Stock-basedCompensationDetails-Assumptions 7. Stock-based Compensation (Details - Assumptions) Details http://phiopharma.com/role/Stock-basedCompensationTables 27 false false R28.htm 00000028 - Disclosure - 7. Stock-based Compensation (Details - Option activity) Sheet http://phiopharma.com/role/Stock-basedCompensationDetails-OptionActivity 7. Stock-based Compensation (Details - Option activity) Details http://phiopharma.com/role/Stock-basedCompensationTables 28 false false R29.htm 00000029 - Disclosure - 7. Stock-based Compensation (Details - RSU activity) Sheet http://phiopharma.com/role/Stock-basedCompensationDetails-RsuActivity 7. Stock-based Compensation (Details - RSU activity) Details http://phiopharma.com/role/Stock-basedCompensationTables 29 false false R30.htm 00000030 - Disclosure - 7. Stock-based Compensation (Details - Share-based compensation) Sheet http://phiopharma.com/role/Stock-basedCompensationDetails-Share-basedCompensation 7. Stock-based Compensation (Details - Share-based compensation) Details http://phiopharma.com/role/Stock-basedCompensationTables 30 false false R31.htm 00000031 - Disclosure - 7. Stock-based Compensation (Details Narrative) Sheet http://phiopharma.com/role/Stock-basedCompensationDetailsNarrative 7. Stock-based Compensation (Details Narrative) Details http://phiopharma.com/role/Stock-basedCompensationTables 31 false false R32.htm 00000032 - Disclosure - 8. Subsequent Events (Details Narrative) Sheet http://phiopharma.com/role/SubsequentEventsDetailsNarrative 8. Subsequent Events (Details Narrative) Details http://phiopharma.com/role/SubsequentEvents 32 false false All Reports Book All Reports phio-20190630.xml phio-20190630.xsd phio-20190630_cal.xml phio-20190630_def.xml phio-20190630_lab.xml phio-20190630_pre.xml http://fasb.org/us-gaap/2019-01-31 http://xbrl.sec.gov/dei/2019-01-31 http://fasb.org/srt/2019-01-31 true true