11. Warrants (Details - Exercise price) - Warrants [Member] - $ / shares |
Dec. 31, 2017 |
Sep. 30, 2017 |
|---|---|---|
| Number of warrants outstanding | 118,029 | 118,029 |
| Warrants exercise price, outstanding | $ 20.8 | $ 20.8 |
| Number of warrants exercisable | 118,029 | |
| $16.60 [Member] | ||
| Number of warrants outstanding | 54,396 | |
| Warrants exercise price, outstanding | $ 16.6 | |
| Number of warrants exercisable | 54,396 | |
| Warrants exercise price, exercisable | $ 16.6 | |
| $16.80 [Member] | ||
| Number of warrants outstanding | 17,857 | |
| Warrants exercise price, outstanding | $ 16.8 | |
| Number of warrants exercisable | 17,857 | |
| Warrants exercise price, exercisable | $ 16.8 | |
| $24.30 [Member] | ||
| Number of warrants outstanding | 12,383 | |
| Warrants exercise price, outstanding | $ 24.3 | |
| Number of warrants exercisable | 12,383 | |
| Warrants exercise price, exercisable | $ 24.3 | |
| $28.50 [Member] | ||
| Number of warrants outstanding | 33,393 | |
| Warrants exercise price, outstanding | $ 28.5 | |
| Number of warrants exercisable | 33,393 | |
| Warrants exercise price, exercisable | $ 28.5 |