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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis - USD ($) | Oct. 31, 2018 | Oct. 31, 2017
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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets | $ 4,781,331 | $ 6,579,282
Fair Value, Inputs, Level 1 [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets | 2,781,331 | 3,079,282
Fair Value, Inputs, Level 2 [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets | 2,000,000 | 3,500,000
Fair Value, Inputs, Level 3 [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets |  |
Money Market Funds [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets | 2,031,331 | 3,079,282
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets | 2,031,331 | 3,079,282
Money Market Funds [Member] | Fair Value, Inputs, Level 2 [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets |  |
Money Market Funds [Member] | Fair Value, Inputs, Level 3 [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets |  |
Certificates of Deposit [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets | 750,000 |
Certificates of Deposit [Member] | Fair Value, Inputs, Level 1 [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets | 750,000 |
Certificates of Deposit [Member] | Fair Value, Inputs, Level 2 [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets |  |
Certificates of Deposit [Member] | Fair Value, Inputs, Level 3 [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets |  |
Certificates of Deposit [Member] | Short-term Investments [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets | 2,000,000 | 3,500,000
Certificates of Deposit [Member] | Short-term Investments [Member] | Fair Value, Inputs, Level 1 [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets |  |
Certificates of Deposit [Member] | Short-term Investments [Member] | Fair Value, Inputs, Level 2 [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets | 2,000,000 | 3,500,000
Certificates of Deposit [Member] | Short-term Investments [Member] | Fair Value, Inputs, Level 3 [Member] |  |
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Hierarchy for our financial assets and liabilities measured at fair value on a recurring basis [Line Items] |  |
Financial assets |  |

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