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v2.4.1.9

Selected Quarterly Information (Unaudited) - Schedule of Selected Quarterly Information (Detail) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2014 | Jul. 31, 2014 | Apr. 30, 2014 | Jan. 31, 2014 | Oct. 31, 2013 | Jul. 31, 2013 | Apr. 30, 2013 | Jan. 31, 2013 | Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2012
Income |  |  |  |  |  |  |  |  |  |  |
Interest Income | $ 414,769 us-gaap_InvestmentIncomeInterest | $ 429,115 us-gaap_InvestmentIncomeInterest | $ 412,117 us-gaap_InvestmentIncomeInterest | $ 510,040 us-gaap_InvestmentIncomeInterest | $ 567,560 us-gaap_InvestmentIncomeInterest | $ 636,442 us-gaap_InvestmentIncomeInterest | $ 646,984 us-gaap_InvestmentIncomeInterest | $ 676,037 us-gaap_InvestmentIncomeInterest | $ 1,766,041 us-gaap_InvestmentIncomeInterest | $ 2,527,023 us-gaap_InvestmentIncomeInterest | $ 2,951,572 us-gaap_InvestmentIncomeInterest
Total Income | 414,769 us-gaap_Revenues | 429,115 us-gaap_Revenues | 412,117 us-gaap_Revenues | 510,040 us-gaap_Revenues | 567,560 us-gaap_Revenues | 636,442 us-gaap_Revenues | 646,984 us-gaap_Revenues | 676,037 us-gaap_Revenues | 1,766,041 us-gaap_Revenues | 2,527,023 us-gaap_Revenues | 2,951,572 us-gaap_Revenues
Expenses |  |  |  |  |  |  |  |  |  |  |
Sponsor's fee | (262,080)us-gaap_SponsorFees | (271,756)us-gaap_SponsorFees | (268,244)us-gaap_SponsorFees | (317,594)us-gaap_SponsorFees | (359,973)us-gaap_SponsorFees | (412,955)us-gaap_SponsorFees | (451,563)us-gaap_SponsorFees | (506,949)us-gaap_SponsorFees | (1,119,674)us-gaap_SponsorFees | (1,731,440)us-gaap_SponsorFees | (2,219,608)us-gaap_SponsorFees
Total Expenses | (262,080)us-gaap_OperatingExpenses | (271,756)us-gaap_OperatingExpenses | (268,244)us-gaap_OperatingExpenses | (317,594)us-gaap_OperatingExpenses | (359,973)us-gaap_OperatingExpenses | (412,955)us-gaap_OperatingExpenses | (451,563)us-gaap_OperatingExpenses | (506,949)us-gaap_OperatingExpenses | (1,119,674)us-gaap_OperatingExpenses | (1,731,440)us-gaap_OperatingExpenses | (2,219,608)us-gaap_OperatingExpenses
Net Income | 152,689 us-gaap_NetIncomeLoss | 157,359 us-gaap_NetIncomeLoss | 143,873 us-gaap_NetIncomeLoss | 192,446 us-gaap_NetIncomeLoss | 207,587 us-gaap_NetIncomeLoss | 223,487 us-gaap_NetIncomeLoss | 195,421 us-gaap_NetIncomeLoss | 169,088 us-gaap_NetIncomeLoss | 646,367 us-gaap_NetIncomeLoss | 795,583 us-gaap_NetIncomeLoss | 731,964 us-gaap_NetIncomeLoss
Basic and Diluted Earnings per Share | $ 0.05 us-gaap_EarningsPerShareBasicAndDiluted | $ 0.05 us-gaap_EarningsPerShareBasicAndDiluted | $ 0.05 us-gaap_EarningsPerShareBasicAndDiluted | $ 0.06 us-gaap_EarningsPerShareBasicAndDiluted | $ 0.06 us-gaap_EarningsPerShareBasicAndDiluted | $ 0.05 us-gaap_EarningsPerShareBasicAndDiluted | $ 0.04 us-gaap_EarningsPerShareBasicAndDiluted | $ 0.03 us-gaap_EarningsPerShareBasicAndDiluted | $ 0.21 us-gaap_EarningsPerShareBasicAndDiluted | $ 0.18 us-gaap_EarningsPerShareBasicAndDiluted | $ 0.13 us-gaap_EarningsPerShareBasicAndDiluted
Weighted-average Shares Outstanding | 2,886,413 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 2,925,000 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 3,048,315 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 3,361,957 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 3,714,130 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 4,211,413 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 4,721,348 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 5,022,283 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 3,055,479 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 4,414,795 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | 5,591,393 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
Cash Dividends per Share | $ 0.05 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.05 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.05 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.06 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.06 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.05 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.04 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.03 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.21 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.17 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.14 us-gaap_CommonStockDividendsPerShareCashPaid
Other Comprehensive (Loss)/Income: |  |  |  |  |  |  |  |  |  |  |
Currency translation adjustment | (3,054)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | (961)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | 976 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | (8,001)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | (1,085)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | 750 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | 2,263 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | (888)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | (11,040)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | 1,040 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax | 6,804 us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Total Comprehensive Income | $ 149,635 us-gaap_ComprehensiveIncomeNetOfTax | $ 156,398 us-gaap_ComprehensiveIncomeNetOfTax | $ 144,849 us-gaap_ComprehensiveIncomeNetOfTax | $ 184,445 us-gaap_ComprehensiveIncomeNetOfTax | $ 206,502 us-gaap_ComprehensiveIncomeNetOfTax | $ 224,237 us-gaap_ComprehensiveIncomeNetOfTax | $ 197,684 us-gaap_ComprehensiveIncomeNetOfTax | $ 168,200 us-gaap_ComprehensiveIncomeNetOfTax | $ 635,327 us-gaap_ComprehensiveIncomeNetOfTax | $ 796,623 us-gaap_ComprehensiveIncomeNetOfTax | $ 738,768 us-gaap_ComprehensiveIncomeNetOfTax

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