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Stockholders' Equity (Tables) | 12 Months Ended
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Sep. 30, 2019
Equity [Abstract] |
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
| Year Ended September 30,
| 2019 |  | 2018 |  | 2017
Unvested at beginning of year | — |  |  | 140,668 |  |  | 174,334 |
Granted | 283,195 |  |  | — |  |  | — |
Vested | — |  |  | (140,668 | ) |  | (31,409 | )
Forfeited | — |  |  | — |  |  | (2,257 | )
Unvested at end of year | 283,195 |  |  | — |  |  | 140,668 |
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
| Shares |  | Weighted Average Exercise Price
Outstanding, September 30, 2016 | 79,500 |  |  | $ | 6.43 |
Options granted | — |  |  | — |
Exercised | 33,750 |  |  | 6.46 |
Forfeited and canceled | — |  |  | — |
Outstanding, September 30, 2017 | 45,750 |  |  | $ | 6.42 |
Options granted | — |  |  | — |
Exercised | 1,500 |  |  | 7.21 |
Forfeited and canceled | — |  |  | — |
Outstanding, September 30, 2018 | 44,250 |  |  | $ | 6.39 |
Options granted | — |  |  | — |
Exercised | 22,500 |  |  | 6.43 |
Forfeited and canceled | — |  |  | — |
Outstanding, September 30, 2019 | 21,750 |  |  | $ | 6.35 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block] |
Outstanding and Exercisable as of September 30, 2019 |  | Remaining Contractual Life in Years |  | Weighted-Average Exercise Price
13,000 |  |  | 3.58 |  | $5.76
1,000 |  |  | 5.29 |  | $7.27
7,750 |  |  | 5.34 |  | $7.21
21,750 |  |  |  |  | $6.35

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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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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + 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 (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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