Class of Treasury Stock [Table Text Block] |
Period | | Total Number of Shares Purchased | | | Average Price Paid per Share | | | Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs | | | Approximate Dollar Value of Shares That May Yet Be Purchased Under the Plans or Programs | | Program authorization | | | | | | | | | | | | | | $ | 500 | | Shares purchased in prior periods | | | 130,346 | | | $ | 0.25 | | | | 130,346 | | | $ | 468 | | Quarter ended October 31, 2017 | | | 8,607 | | | $ | 0.30 | | | | 8,607 | | | $ | 465 | | Quarter ended January 31, 2018 (a) | | | 536,058 | | | $ | 0.26 | | | | 536,058 | | | $ | 326 | | Quarter ended April 30, 2018 (a) | | | 178,526 | | | $ | 0.25 | | | | 178,526 | | | $ | 281 | | Increase in program authorization April 2018 (b) | | | - | | | $ | - | | | | - | | | $ | 531 | | Quarter ended July 31, 2018 (a) | | | 25,277 | | | $ | 0.26 | | | | 25,277 | | | $ | 525 | | Quarter ended October 31, 2018 (a) | | | 480,805 | | | $ | 0.30 | | | | 480,805 | | | $ | 381 | | Quarter ended January 31, 2019 (a) | | | 186,727 | | | $ | 0.34 | | | | 186,727 | | | $ | 317 | | Quarter ended April 30, 2019 (a) | | | 580,705 | | | $ | 0.38 | | | | 580,705 | | | $ | 94 | | Increase in program authorization April 2019 (c) | | | - | | | $ | - | | | | - | | | $ | 1,569 | | Quarter ended July 31, 2019 (a) | | | 120,821 | | | $ | 0.35 | | | | 120,821 | | | $ | 1,526 | | Total | | | 2,247,872 | | | $ | 0.31 | | | | 2,247,872 | | | | | |
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