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v3.23.3

Equity and Stock-Based Compensation - Summary of Stock Options Outstanding and Exercisable (Details) - $ / shares | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Options Outstanding |  |  |  |
Number Outstanding | 672,924 |  |  |
Stock Options |  |  |  |
Options Outstanding |  |  |  |
Number Outstanding | 672,924 | 589,341 | 608,269 | 696,665
Weighted Average Exercise Price Per Share | $ 8.76 | $ 8.06 | $ 6.48 | $ 7
Options Exercisable |  |  |  |
Number Exercisable | 374,728 | 358,343 | 403,853 |
Weighted Average Exercise Price Per Share | $ 8.25 | $ 6.92 | $ 6.87 |
Stock Options | 4.77-5.26 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 4.77 |  |  |
Range of Exercise Prices, Upper limit | $ 5.26 |  |  |
Number Outstanding | 71,183 |  |  |
Remaining Contractual Life | 5 years 25 days |  |  |
Weighted Average Exercise Price Per Share | $ 4.98 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 69,517 |  |  |
Weighted Average Exercise Price Per Share | $ 4.97 |  |  |
Stock Options | 5.40-5.52 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 5.4 |  |  |
Range of Exercise Prices, Upper limit | $ 5.52 |  |  |
Number Outstanding | 17,550 |  |  |
Remaining Contractual Life | 4 years 2 months 4 days |  |  |
Weighted Average Exercise Price Per Share | $ 5.48 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 17,550 |  |  |
Weighted Average Exercise Price Per Share | $ 5.48 |  |  |
Stock Options | 5.67-5.67 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 5.67 |  |  |
Range of Exercise Prices, Upper limit | $ 5.67 |  |  |
Number Outstanding | 71,791 |  |  |
Remaining Contractual Life | 7 years 1 month 17 days |  |  |
Weighted Average Exercise Price Per Share | $ 5.67 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 55,958 |  |  |
Weighted Average Exercise Price Per Share | $ 5.67 |  |  |
Stock Options | 5.75-8.82 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 5.75 |  |  |
Range of Exercise Prices, Upper limit | $ 8.82 |  |  |
Number Outstanding | 111,250 |  |  |
Remaining Contractual Life | 7 years 6 months 14 days |  |  |
Weighted Average Exercise Price Per Share | $ 7.92 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 43,959 |  |  |
Weighted Average Exercise Price Per Share | $ 7.01 |  |  |
Stock Options | 8.93-8.93 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 8.93 |  |  |
Range of Exercise Prices, Upper limit | $ 8.93 |  |  |
Number Outstanding | 5,000 |  |  |
Remaining Contractual Life | 9 years 7 months 28 days |  |  |
Weighted Average Exercise Price Per Share | $ 8.93 |  |  |
Stock Options | 9.00-9.00 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 9 |  |  |
Range of Exercise Prices, Upper limit | $ 9 |  |  |
Number Outstanding | 150,000 |  |  |
Remaining Contractual Life | 9 years 10 months 13 days |  |  |
Weighted Average Exercise Price Per Share | $ 9 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 50,000 |  |  |
Weighted Average Exercise Price Per Share | $ 9 |  |  |
Stock Options | 9.27-9.27 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 9.27 |  |  |
Range of Exercise Prices, Upper limit | $ 9.27 |  |  |
Number Outstanding | 90,500 |  |  |
Remaining Contractual Life | 9 years 2 months 1 day |  |  |
Weighted Average Exercise Price Per Share | $ 9.27 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 12,000 |  |  |
Weighted Average Exercise Price Per Share | $ 9.27 |  |  |
Stock Options | 9.98-10.22 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 9.98 |  |  |
Range of Exercise Prices, Upper limit | $ 10.22 |  |  |
Number Outstanding | 80,000 |  |  |
Remaining Contractual Life | 3 years 3 months 10 days |  |  |
Weighted Average Exercise Price Per Share | $ 10.03 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 80,000 |  |  |
Weighted Average Exercise Price Per Share | $ 10.03 |  |  |
Stock Options | 11.51-11.51 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 11.51 |  |  |
Range of Exercise Prices, Upper limit | $ 11.51 |  |  |
Number Outstanding | 12,000 |  |  |
Remaining Contractual Life | 7 years 5 months 23 days |  |  |
Weighted Average Exercise Price Per Share | $ 11.51 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 12,000 |  |  |
Weighted Average Exercise Price Per Share | $ 11.51 |  |  |
Stock Options | 15.43-15.43 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 15.43 |  |  |
Range of Exercise Prices, Upper limit | $ 15.43 |  |  |
Number Outstanding | 63,650 |  |  |
Remaining Contractual Life | 8 years 25 days |  |  |
Weighted Average Exercise Price Per Share | $ 15.43 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 33,744 |  |  |
Weighted Average Exercise Price Per Share | $ 15.43 |  |  |
Stock Options | 4.77-15.43 |  |  |  |
Options Outstanding |  |  |  |
Range of Exercise Prices, Lower limit | 4.77 |  |  |
Range of Exercise Prices, Upper limit | $ 15.43 |  |  |
Number Outstanding | 672,924 |  |  |
Remaining Contractual Life | 7 years 5 months 8 days |  |  |
Weighted Average Exercise Price Per Share | $ 8.76 |  |  |
Options Exercisable |  |  |  |
Number Exercisable | 374,728 |  |  |
Weighted Average Exercise Price Per Share | $ 8.25 |  |  |

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