Derivative Financial Instruments and Fair Value Measurements - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) |
Dec. 31, 2019 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2017 |
|---|---|---|---|---|
| Embedded conversion option liabilities | $ 924,744 | $ 698,264 | $ 371,532 | |
| Total | 924,744 | 698,264 | 371,532 | $ 881,172 |
| Fair Value, Inputs, Level 1 [Member] | ||||
| Embedded conversion option liabilities | ||||
| Total | ||||
| Fair Value, Inputs, Level 2 [Member] | ||||
| Embedded conversion option liabilities | ||||
| Total | ||||
| Fair Value, Inputs, Level 3 [Member] | ||||
| Embedded conversion option liabilities | 924,744 | 698,264 | 371,532 | |
| Total | $ 924,744 | $ 698,264 | $ 371,532 |