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Stock-Based Compensation (Tables) | 6 Months Ended
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Mar. 31, 2020
Share Based Compensation [Abstract] |
Summary of Stock Option Activity | The following table summarizes stock option activity for the twelve months ended September 30, 2019 and the six months ended March 31, 2020:
|  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life |  |  | Intrinsic Value |
Outstanding at September 30, 2018 |  |  | 231,668 |  |  | $ | 14.84 |  |  |  | 3.04 |  |  | $ | 163 |
Forfeited |  |  | (31,250 | ) |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at September 30, 2019 |  |  | 200,418 |  |  | $ | 16.37 |  |  |  | 2.40 |  |  | $ | 27 |
Exercisable at September 30, 2019 |  |  | 164,084 |  |  | $ | 13.92 |  |  |  | 1.44 |  |  | $ | 27 |
Outstanding at March 31, 2020 |  |  | 200,418 |  |  | $ | 16.37 |  |  |  | 2.20 |  |  | $ | — |
Exercisable at March 31, 2020 |  |  | 176,251 |  |  | $ | 14.08 |  |  |  | 1.20 |  |  | $ | — |
Summary of Exercise Price for Stock Options Outstanding and Exercisable | The exercise price for stock options outstanding and exercisable outstanding at March 31, 2020 is as follows:
Outstanding |  |  | Exercisable |
Number of Options |  |  | Exercise Price ($) |  |  | Number of Options |  |  | Exercise Price ($) |
| 25,000 |  |  |  | 7.50 |  |  |  | 25,000 |  |  |  | 7.50 |
| 31,250 |  |  |  | 10.00 |  |  |  | 31,250 |  |  |  | 10.00 |
| 16,668 |  |  |  | 10.86 |  |  |  | 12,501 |  |  |  | 10.86 |
| 6,250 |  |  |  | 12.50 |  |  |  | 6,250 |  |  |  | 12.50 |
| 6,250 |  |  |  | 15.00 |  |  |  | 6,250 |  |  |  | 15.00 |
| 75,000 |  |  |  | 15.18 |  |  |  | 75,000 |  |  |  | 15.18 |
| 8,000 |  |  |  | 23.41 |  |  |  | 8,000 |  |  |  | 23.41 |
| 8,000 |  |  |  | 27.60 |  |  |  | 8,000 |  |  |  | 27.60 |
| 8,000 |  |  |  | 31.74 |  |  |  | 4,000 |  |  |  | 32 |
| 8,000 |  |  |  | 36.50 |  |  |  | — |  |  |  | — |
| 8,000 |  |  |  | 41.98 |  |  |  | — |  |  |  | — |
| 200,418 |  |  |  |  |  |  |  | 176,251 |  |  |  |  |
Summary of Non-Vested Shares | The following table summarizes information about the Company’s non-vested shares outstanding as of March 31, 2020 and September 30, 2019:
Non-vested Shares |  | Number of Shares |  |  | Average Grant-Date Fair Value |
Non-vested at September 30, 2019 |  |  | 36,334 |  |  | $ | 26.76 |
Vested |  |  | (12,167 | ) |  | $ | 23.23 |
Non-vested at March 31, 2020 |  |  | 24,167 |  |  | $ | 33.10 |

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + 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=116856206&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=116856206&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 (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 3: 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) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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