| 5. Acquisitions (Details - Acquisition Income) - USD ($) | 3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
| Mar. 31, 2017 | Dec. 31, 2016 | Mar. 31, 2016 | Mar. 31, 2017 | Mar. 31, 2016 | |
| General and administrative expense | $ 9,149,865 | $ 2,158,398 | $ 16,208,539 | $ 4,524,271 | |
| Vintage Stock Affiliated Holdings [Member] | |||||
| General and administrative expense | $ 347,610 | ||||
| Vintage Stock Affiliated Holdings [Member] | Bank fees [Member] | |||||
| General and administrative expense | 15,000 | ||||
| Vintage Stock Affiliated Holdings [Member] | Appraisal fees [Member] | |||||
| General and administrative expense | 20,497 | ||||
| Vintage Stock Affiliated Holdings [Member] | Legal fees [Member] | |||||
| General and administrative expense | 192,339 | ||||
| Vintage Stock Affiliated Holdings [Member] | Consulting fees [Member] | |||||
| General and administrative expense | $ 119,774 | ||||