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13. WARRANTS (Details 1) - $ / shares | 3 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018
Warrants |  |
Number of shares | 363,605 | 312,176
Weighted-average exercise price | $ 6.49 | $ 6.84
Warrant 1 |  |
Number of shares | 141,676 |
Weighted-average exercise price | $ 7.80 |
Expiration | September 2021 |
Warrant 2 |  |
Number of shares | 70,500 |
Weighted-average exercise price | $ 4.00 |
Expiration | September 2022 |
Warrant 3 |  |
Number of shares | 100,000 |
Weighted-average exercise price | $ 7.50 |
Expiration | October 2022 |
Warrant 4 |  |
Number of shares | 51,429 |
Weighted-average exercise price | $ 4.375 |
Expiration | September 2023 |

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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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