Cash, Cash Equivalents, Investment Securities and Liquidity - Schedule of Investment Securities (Details) |
9 Months Ended |
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Apr. 30, 2018
USD ($)
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| Amortized cost in investment securities | $ 23,140,624 |
| Gross unrealized gain/(loss) investment securities | (23,473) |
| Fair value investment securities of held-to-maturity | 23,117,151 |
| US Treasury Securities with Maturities of One Year or Less [Member] | |
| Amortized cost in investment securities | 20,165,100 |
| Gross unrealized gain/(loss) investment securities | (18,297) |
| Fair value investment securities of held-to-maturity | 20,146,803 |
| US Treasury Securities with Maturities of Greater than One Year [Member] | |
| Amortized cost in investment securities | 2,975,524 |
| Fair value investment securities of held-to-maturity | 2,970,348 |
| US Treasury Securities with Maturities of Greater than One Year [Member] | |
| Gross unrealized gain/(loss) investment securities | $ (5,176) |
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- Definition This item represents the cost of equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments for other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. No definition available.
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- Definition Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale equity securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. No definition available.
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