Other Accrued Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Jun. 30, 2019 |
|---|---|---|
| Accounts Payable and Accrued Liabilities, Current [Abstract] | ||
| Accrued compensation | $ 429 | $ 367 |
| Accrued expenses and interest | 216 | 188 |
| Current portion of deferred rent payable | 63 | |
| Other accrued liabilities | $ 645 | $ 618 |