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Summary of Significant Accounting Policies (Tables)
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12 Months Ended |
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Jul. 31, 2014
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| Accounting Policies [Abstract] |
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| Schedule of Intangible Assets and Goodwill [Table Text Block] |
The carrying amounts of the intangible assets as of July 31, 2014 are as follows (in thousands, except years): | | | Intangible Assets, Gross | | Accumulated Amortization | | Intangible Assets, Net | | Weighted | | | | | | | | | | | | | | | | | | | | | Average | | | | | | | | | | | | | | | | | | | | | Useful | | | | | July 31, | | | | July 31, | | July 31, | | | | July 31, | | July 31, | | | | Life | | | | | 2013 | | Additions | | 2014 | | 2013 | | Expense | | 2014 | | 2013 | | July 31, 2014 | | (Years) | | | Developed technology | | $ | - | | $ | 4,423 | | $ | 4,423 | | $ | - | | $ | (134) | | $ | (134) | | $ | - | | $ | 4,289 | | | 7 | | | Trade names and Other Intangible Asset | | | - | | | 817 | | | 817 | | | - | | | (24) | | | (24) | | | - | | | 793 | | | 7 | | | Total intangible assets, net | | $ | - | | $ | 5,240 | | $ | 5,240 | | $ | - | | $ | (158) | | $ | (158) | | $ | - | | $ | 5,082 | | | | | |
| Finite-lived Intangible Assets Amortization Expense [Table Text Block] |
As of July 31, 2014, the amortization expense related to identifiable intangible assets in future periods is expected to be as follows (in thousands): | | | | | Other | | Total | | | | | Developed | | Intangible | | Intangible | | | | | Technology | | Assets | | Assets | | | 2015 | | $ | 631 | | $ | 117 | | $ | 748 | | | 2016 | | | 631 | | | 117 | | | 748 | | | 2017 | | | 631 | | | 117 | | | 748 | | | 2018 | | | 631 | | | 117 | | | 748 | | | 2019 | | | 631 | | | 117 | | | 748 | | | Thereafter | | | 1,134 | | | 208 | | | 1,342 | | | Total intangible assets subject to amortization | | $ | 4,289 | | $ | 793 | | $ | 5,082 | | |
| Fair Value, by Balance Sheet Grouping [Table Text Block] |
The following table presents the carrying amounts and estimated fair values of the Company’s financial instruments at: | | | 2014 | | 2013 | | | | | Carrying | | | | Carrying | | | | | | | amount | | Fair value | | amount | | Fair value | | | Financial assets: | | | | | | | | | | | | | | | Cash and cash equivalents | | $ | 523,540 | | $ | 523,540 | | $ | 596,871 | | $ | 596,871 | | | Accounts receivable | | $ | 490 | | $ | 490 | | $ | 191,835 | | $ | 191,835 | | | | | | | | | | | | | | | | | | Financial liabilities: | | | | | | | | | | | | | | | Accounts payable and accrued liabilities | | $ | 143,105 | | $ | 143,105 | | $ | 62,810 | | $ | 62,810 | | | Notes payable | | $ | 74,713 | | $ | 71,545 | | | - | | | - | | |
| Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
The following table presents the placement in the fair value hierarchy of assets and liabilities that are measured at fair value on a recurring basis at: | | | | | | Fair value measurements at
reporting date using | | | | | July 31,
2014 | | Quoted prices
in active
markets for
identical
assets
(Level 1) | | Significant
other
observable
inputs
(Level 2) | | Significant
unobservable
inputs
(Level 3) | | | | | | | | | | | | | | | | | | Notes payable | | $ | 74,713 | | | | | | | | $ | 71,545 | | | | | | | | Fair value measurements at
reporting date using | | | | | July 31,
2013 | | Quoted prices
in active
markets for
identical
assets
(Level 1) | | Significant
other
observable
inputs
(Level 2) | | Significant
unobservable
inputs
(Level 3) | | | | | | | | | | | | | | | | | | Notes payable | | $ | 0 | | | | | | | | $ | 0 | | |