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v3.19.2

Income Taxes (Details 3) - USD ($) | Jun. 30, 2019 | Jun. 30, 2018
--- | --- | ---
Deferred tax assets: |  |
Net operating loss and credit carryforwards | $ 16,044,000 | $ 16,282,000
Stock-based compensation | 822,000 | 710,000
R&D and other credits | 2,014,000 | 1,899,000
Capitalized R&D expenses | 476,000 | 373,000
Inventory | 156,000 | 143,000
Accrued expenses and other | 111,000 | 83,000
Gross deferred tax assets | 19,623,000 | 19,490,000
Valuation allowance for deferred tax assets | (16,725,000) | (16,123,000)
Total deferred tax assets | 2,898,000 | 3,367,000
Deferred tax liabilities: |  |
Depreciation and other | (277,000) | (563,000)
Intangible assets | (1,969,000) | (2,180,000)
Total deferred tax liabilities | (2,246,000) | (2,743,000)
Net deferred tax asset | $ 652,000 | $ 624,000

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