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Subsequent Events (Details) - USD ($) shares in Millions | 1 Months Ended | 3 Months Ended | 5 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2019 | Feb. 03, 2020 | Aug. 05, 2019
Amendment to the 2015 Debt Facility |  |  |  |  |  |  |  |
Treasury stock shares acquired (in shares) |  |  |  |  |  | 1.2 |  |
Amount of shares repurchased |  | $ 8,627,586 | $ 6,310,514 | $ 983,582 | $ 1,133,018 |  |  |
Treasury stock value acquired to date |  | 14,800,000 |  |  |  | $ 14,800,000 |  |
Remaining available authorization |  | $ 35,200,000 |  |  |  | $ 35,200,000 |  |
Common stock repurchase authorized amount |  |  |  |  |  |  |  | $ 50,000,000
Subsequent events |  |  |  |  |  |  |  |
Amendment to the 2015 Debt Facility |  |  |  |  |  |  |  |
Treasury stock shares acquired (in shares) | 0.2 |  |  |  |  |  |  |
Amount of shares repurchased | $ 2,300,000 |  |  |  |  |  |  |
Treasury stock shares acquired to date | 1.4 |  |  |  |  |  |  |
Treasury stock value acquired to date | $ 17,100,000 |  |  |  |  |  |  |
Remaining available authorization | $ 32,900,000 |  |  |  |  |  | $ 82,900,000 |
Common stock repurchase authorized amount |  |  |  |  |  |  | $ 50,000,000 |

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