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Income Taxes (Tables) | 12 Months Ended
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Jun. 30, 2016
Income Tax Disclosure [Abstract] |
Schedule of deferred tax assets and deferred tax liabilities | The tax effects of temporary differences that give rise to significant portions of deferred tax assets and deferred tax liabilities are as follows at June 30:
|  | 2016 |  | 2015
Deferred tax assets: |  |  |  |
Net operating loss and credit carryforwards |  | $ | 32,440,000 |  |  | $ | 33,279,000 |
Intangible assets |  |  | — |  |  |  | 6,000 |
Stock-based compensation |  |  | 813,000 |  |  |  | — |
Capital loss and R&D credits |  |  | 1,517,000 |  |  |  | 1,500,000 |
Research development expenses |  |  | 576,000 |  |  |  | 657,000 |
Inventory |  |  | 177,000 |  |  |  | 135,000 |
Accrued expenses and other |  |  | 492,000 |  |  |  | 306,000 |
Gross deferred tax assets |  |  | 36,015,000 |  |  |  | 35,883,000 |
Valuation allowance for deferred tax assets |  |  | (35,971,000 | ) |  |  | (35,789,000 | )
Total deferred tax assets |  |  | 44,000 |  |  |  | 94,000 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Depreciation and other |  |  | (44,000 | ) |  |  | (94,000 | )
Total deferred tax liabilities |  |  | (44,000 | ) |  |  | (94,000 | )
Net deferred tax liability |  | $ | — |  |  | $ | — |

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319 + Details
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