Operating Leases (Details 1) - USD ($) |
Dec. 31, 2019 |
Jul. 01, 2019 |
Jun. 30, 2019 |
|---|---|---|---|
| Operating leases | |||
| Short-term operating lease liabilities | $ 126,000 | ||
| Long-term operating lease liabilities | 489,000 | ||
| Total operating lease liabilities | $ 615,000 | $ 670,000 |