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v3.22.2.2

Income Taxes (Details 3) - USD ($) | Jun. 30, 2022 | Jun. 30, 2021
--- | --- | ---
Deferred tax assets: |  |
Net operating loss and credit carryforwards | $ 12,197,277 | $ 13,585,000
Stock-based compensation | 536,000 | 563,000
R&amp;D and other credits | 2,279,000 | 2,177,000
Capitalized R&amp;D expenses | 371,000 | 564,000
Inventories | 263,973 | 253,000
Accrued expenses and other | 267,000 | 347,000
Gross deferred tax assets | 15,914,250 | 17,489,000
Valuation allowance for deferred tax assets | (14,388,277) | (15,644,000)
Total deferred tax assets | 1,525,973 | 1,845,000
Deferred tax liabilities: |  |
Depreciation and other | (763,988) | (255,000)
Intangible assets | (1,160,000) | (1,443,000)
Total deferred tax liabilities | (1,923,988) | (1,698,000)
Net deferred tax asset | $ (398,015) | $ 147,000

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