Option 1 Class of Warrant or Right [Axis] Option 2 Option 3 Option 4 Option 5 Option 6 Common Stock Equity Components [Axis] Additional Paid-In Capital Accumulated Deficit Option 7 Option 8 Document And Entity Information Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Is Entity a Well-known Seasoned Issuer? Is Entity a Voluntary Filer? Is Entity's Reporting Status Current? Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Document Fiscal Period Focus Document Fiscal Year Focus Statement of Financial Position [Abstract] ASSETS Cash and cash equivalents Prepaid expenses Total current assets EQUIPMENT, NET OTHER ASSETS Contractual rights Mining claims Security deposits TOTAL ASSETS LIABILITIES AND STOCKHOLDERS' EQUITY Accounts payable Accounts payable - related parties Accrued payroll and vacation Accrued expenses - related parties Promissory note Other current liabilities Total current liabilities COMMITMENTS AND CONTINGENCIES STOCKHOLDERS' DEFICIT Preferred stock, $.10 par value; 1,000,000 shares authorized, -0- shares issued and outstanding at October 31, 2012 and 2011, respectively Common stock - $0.001 par value, 200,000,000 shares authorized, 21,382,776 and 18,450,354 shares issued and outstanding at October 31, 2012 and 2011, respectively Additional paid in capital Accumulated deficit Total stockholders' deficit TOTAL LIABILITIES AND STOCKHOLDERS' DEFICIT Stockholders Equity Preferred Stock shares par value Preferred Stock shares Authorized Preferred Stock shares Issued Preferred Stock shares Outstanding Common Stock shares par value Common Stock shares Authorized Common Stock shares Issued Common Stock shares Outstanding Income Statement [Abstract] REVENUE COST OF SALES GROSS PROFIT SELLING, GENERAL, AND ADMINISTRATIVE EXPENSES EXPLORATION EXPENSE OPERATING LOSS OTHER INCOME (EXPENSE): Interest (expense) income, net Consulting income - Terra Mining Corporation Financing fee Merger expense Total other expense LOSS BEFORE INCOME TAXES INCOME TAX EXPENSE NET LOSS Basic and diluted loss per common share attributable to WestMountain Index Advisor, Inc. and subsidiaries common shareholders- Basic and diluted loss per share Weighted average shares of common stock outstanding- basic and diluted Statement of Cash Flows [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Net loss Adjustments to reconcile net loss to net cash (used in) operating activities Depreciation and amortization Warrant amortization expense Issuance of capital stock and warrants for services and expenses Issuance of common stock pre-merger Changes in operating assets and liabilities: Prepaid expenses Other assets Accounts payable - trade and accrued expenses CASH USED IN OPERATING ACTIVITIES CASH FLOWS FROM INVESTING ACTIVITIES: Capital expenditures Cash acquired in merger Contractual rights Cash paid for mining claims NET CASH USED IN INVESTING ACTIVITIES: CASH FLOWS FROM FINANCING ACTIVITIES: Proceeds from promissory note Repayment of debenture notes Proceeds from demand promissory notes Proceeds from the issuance of common stock pre-merger Proceeds from issuance of common stock NET CASH PROVIDED BY FINANCING ACTIVITIES NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS CASH AND CASH EQUIVALENTS, beginning of period CASH AND CASH EQUIVALENTS, end of period Supplemental disclosures of cash flow information: Interest paid Taxes paid WestMountain items acquired in merger: Other current assets Fixed assets Accounts payable and other accrued liabilities Non-cash investing and financing activities: Stock issuance for contractual rights Debt converted to common stock Statement [Table] Statement [Line Items] Beginning Balance, Shares Beginning Balance, Amount Effect of Reverse Merger, Shares Effect of Reverse Merger, Amount Issuance of common stock for joint venture agreement, Shares Issuance of common stock for joint venture agreement, Amount Issuance of common stock for services, Shares Issuance of common stock for services, Amount Issuance of common stock for mineral rights, Shares Issuance of common stock for mineral rights, Amount Warrants issued for consulting services Issuance of common stock for conversion of demand promissory notes, Shares Issuance of common stock for conversion of demand promissory notes, Amount Warrant issued for merger and acquisitions expenses Stock issued for cash under private placements net of cost, Shares Stock issued for cash under private placements net of cost, Amount Issuance of common stock for liability conversions, Shares Issuance of common stock for liability conversions, Amount Issuance of common stock related to the exercise of warrants, Shares Issuance of common stock related to the exercise of warrants, Amount Issuance of common stock related to convertible debentures, Shares Issuance of common stock related to convertible debentures, Amount Warrants amortization expense Ending Balance, Shares Ending Balance, Amount Organization 1. Organization Accounting Policies [Abstract] 2. Summary of Significant Accounting Principles Commitments and Contingencies Disclosure [Abstract] 3. Agreements Property, Plant and Equipment [Abstract] 4. Equipment, Net Related Party Transactions [Abstract] 5. Certain Relations and Related Party Transactions Debt Disclosure [Abstract] 6. Promissory Notes Equity [Abstract] 7. Equity Transactions 8. Commitments, Contingencies, and Legal Proceedings Income Tax Disclosure [Abstract] 9. Income Taxes Subsequent Events [Abstract] 10. Subsequent Events Accounting Method Principles of Consolidation Foreign Currency Translation Cash and Cash Equivalents Prepaid expenses Equipment Mineral Properties Long-Lived Assets Alaska Reclamation and Remediation Liabilities Fair Value Measurements Mineral Exploration and Development Costs Provison for Income Taxes Net Loss Per Share Use of Estimates Recent Accounting Pronouncements Schedule of Equipment Schedule of Share Based Compensation Schedule of Weighted Average Assumptions Commitments Contingencies And Legal Proceedings Tables Schedule of minimum lease payments Income Taxes Tables Schedule of deferred tax assets Schedule of effective tax rate Equipment Net Details Mining and other equipment (Estimated Useful life 3-5 years) Less: accumulated depreciation Property and Equipment, Net Equity Transactions Details Shares outstanding, at beginning of period Shares issued Shares exercised Shares forfeited Shares expired Shares outstanding at end of period Shares exercisable at end of period Weighted Average Exercise Price Shares outstanding at beginning of period (in Dollars per share) Shares granted (in Dollars per share) Shares exercised (in Dollars per share) Shares forfeited (in Dollars per share) Shares expired (in Dollars per share) Shares outstanding at end of period (in Dollars per share) Number of Warrants Weighted Average Remaining Life Weighted Average Exercise Price Shares Exercisable Equity Transactions Details 2 Dividend yield Expected life, min Expected life, max Expected volatility, min Expected volatility, max Risk free interest rate, min Risk free interest rate, max Commitments Contingencies And Legal Proceedings Details 2013 2014 2015 2016 2017 Beyond Total Income Taxes Details U.S. operations loss carry forward at statutory rate of 34% Non-U.S. operations loss carry forward at statutory rate of 20.5% Total Less Valuation Allowance Net Deferred Tax Assets Change in Valuation allowance Income Taxes Details 1 Federal Statutory Rate Increase in Income Taxes Resulting from: Change in Valuation allowance Effective Tax Rate Summary Of Significant Accounting Policies Details Narrative Agreements Details Narrative Capitalized costs Equipment Net Details Narrative Depreciation expense Related Party Transactions Details Narrative Accounts payable-related parties Assets, Current Assets Liabilities, Current Stockholders' Equity Attributable to Parent Liabilities and Equity Gross Profit Operating Income (Loss) Debt Related Commitment Fees and Debt Issuance Costs Business Combination, Acquisition Related Costs Nonoperating Income (Expense) Current Income Tax Expense (Benefit) Increase (Decrease) in Prepaid Expense Net Cash Provided by (Used in) Operating Activities Payments to Acquire Productive Assets ContractualRights CashPaidForMiningClaims Net Cash Provided by (Used in) Investing Activities Repayments of Long-term Debt Net Cash Provided by (Used in) Financing Activities Shares, Issued PrepaidExpenses Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price WeightedAverageExercisePrice Deferred Tax Assets, Gross