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v3.23.3

Income Taxes (Tax Effects of Temporary Differences) (Details) - USD ($) | Jul. 31, 2023 | Jul. 31, 2022
--- | --- | ---
Deferred tax assets: |  |
Inventory and warranty reserves | $ 6,147,000 | $ 5,970,000
Compensation and commissions | 3,221,000 | 4,376,000
Federal, state and foreign research and experimentation credits | 19,308,000 | 19,476,000
Capitalized U.S. research and experimental expenditures | 8,784,000 | 0
Stock-based compensation | 4,774,000 | 3,950,000
Foreign scientific research and experimental development expenditures | 2,118,000 | 1,890,000
Federal, state and foreign net operating losses | 13,011,000 | 14,481,000
Federal and state capital losses | 15,582,000 | 15,582,000
Lease liabilities | 11,986,000 | 12,595,000
Deferred revenue, non-current | 4,463,000 | 2,194,000
Other | 2,417,000 | 3,725,000
Less: valuation allowance | (34,478,000) | (31,227,000)
Total deferred tax assets | 57,333,000 | 53,012,000
Deferred tax liabilities: |  |
Plant and equipment | (4,883,000) | (3,489,000)
Lease right-of-use assets | (10,510,000) | (11,801,000)
Intangibles | (50,843,000) | (52,681,000)
Total deferred tax liabilities | (66,236,000) | (67,971,000)
Net deferred tax liabilities | $ (8,903,000) | $ (14,959,000)

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