Fair Value Measurement (Details Narrative) - USD ($) |
6 Months Ended | 12 Months Ended | |
|---|---|---|---|
Dec. 31, 2019 |
Dec. 30, 2019 |
Jun. 30, 2019 |
|
| Amount of series B preferred stock dividends paid | $ 17,000 | ||
| Subsequent Event [Member] | Series B Convertible Preferred Stock [Member] | |||
| Dividends recorded as interest expense | $ 40,000 | $ 25,000 | |
| Amount of series B preferred stock dividends paid | 24,000 | ||
| 5% accrued dividend (1) | $ 21,000 | $ 41,000 | |