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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jun. 30, 2018
Schedules of concentration of business risk |
|  | Year Ended June 30, |
|  | 2018 |  |  | 2017 |
Customer A |  |  | 32 | % |  |  | 34 | %
Customer C |  |  | 30 | % |  |  | 18 | %
Customer B |  |  | 24 | % |  |  | 22 | %
|  | Year Ended June 30, |
|  | 2018 |  |  | 2017 |
Customer C |  |  | 35 | % |  |  | 18 | %
Customer A |  |  | 27 | % |  |  | 25 | %
Customer B |  |  | 19 | % |  |  | 17 | %
Other |  |  | 12 | % |  |  | 0 | %
Schedule of inventories |
|  | June 30, |
|  | 2018 |  |  | 2017 |
Raw materials |  | $ | 239,000 |  |  | $ | 442,000 |
Work in process |  |  | - |  |  |  | 442,000 |
Finished goods |  |  | 1,100,000 |  |  |  | 738,000 |
Reserve |  |  |  |  |  |  | (310,000 | )
|  | $ | 1,339,000 |  |  | $ | 1,312,000
Schedule of fixed assets |
|  | Estimated Useful Lives |  | June 30, |
|  | in years |  | 2018 |  |  | 2017 |
Manufacturing equipment |  | 2 - 5 |  | $ | 213,000 |  |  | $ | 405,000 |
Leasehold improvements |  | 3 |  |  | 112,000 |  |  |  | 111,000 |
Office equipment, furniture and other |  | 2 - 5 |  |  | 344,000 |  |  |  | 287,000 |
Lab equipment |  | 3 - 5 |  |  | 90,000 |  |  |  | 90,000 |
Less accumulated depreciation and amortization |  |  |  |  | (540,000 | ) |  |  | (246,000 | )
Fixed assets, net |  |  |  | $ | 219,000 |  |  | $ | 647,000 |
|  | Year Ended June 30, |
|  | 2018 |  |  | 2017 |
Depreciation and amortization expense |  | $ | 294,000 |  |  | $ | 134,000 |
Schedule of patents |
|  | June 30, |
|  | 2018 |  |  | 2017 |
Patents |  | $ | 380,000 |  |  | $ | 380,000 |
Less accumulated amortization |  |  | (134,000 | ) |  |  | (109,000 | )
Patents, net |  | $ | 246,000 |  |  | $ | 271,000 |
Schedule of amortization expense |
|  | Year Ended June 30, |
|  | 2018 |  |  | 2017 |
Amortization expense |  | $ | 25,000 |  |  | $ | 26,000 |
Patents [Member] |
Schedule of future amortization |
2019 |  | $ | 25,000 |
2020 |  |  | 25,000 |
2021 |  |  | 25,000 |
2022 |  |  | 25,000 |
2023 |  |  | 25,000 |
Thereafter |  |  | 121,000 |
|  | $ | 246,000 |

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