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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Treasury Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member]
--- | --- | --- | --- | --- | ---
Stockholders' Equity Attributable to Parent at Sep. 30, 2018 | $ 220,407 | $ 220 | $ (8,937) | $ 196,810 | $ 32,314
Shares, Issued at Sep. 30, 2018 |  | 22,049,529 | 843,993 |  |
Issuances under compensation plans |  |  | $ 5,905 | (5,905) |
Issuances under compensation plans, shares |  |  | 499,874 |  |
Acquisition of treasury stock | (5,411) |  | $ (5,411) | 0 |
Acquisition of treasury stock, shares |  |  | (323,563) |  |
Non-cash compensation | 674 |  |  | 674 |
Noncontrolling Interest, Change in Redemption Value | 0 |  |  |  |
Net income (loss) attributable to IES Holdings, Inc. | 12,373 |  |  |  | 12,373
Stockholders' Equity Attributable to Parent at Mar. 31, 2019 | 228,145 | $ 220 | $ (8,443) | 191,579 | 44,789
Shares, Issued at Mar. 31, 2019 |  | 22,049,529 | 667,682 |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | 102 |  |  |  | 102
Stockholders' Equity Attributable to Parent at Dec. 31, 2018 | 225,231 | $ 220 | $ (8,896) | 194,607 | 39,300
Shares, Issued at Dec. 31, 2018 |  | 22,049,529 | 763,426 |  |
Issuances under compensation plans |  |  | $ 3,653 | (3,653) |
Issuances under compensation plans, shares |  |  | 287,186 |  |
Acquisition of treasury stock | (3,200) |  | $ (3,200) | 0 |
Acquisition of treasury stock, shares |  |  | (191,442) |  |
Non-cash compensation | 625 |  |  | 625 |
Net income (loss) attributable to IES Holdings, Inc. | 5,489 |  |  |  | 5,489
Stockholders' Equity Attributable to Parent at Mar. 31, 2019 | 228,145 | $ 220 | $ (8,443) | 191,579 | 44,789
Shares, Issued at Mar. 31, 2019 |  | 22,049,529 | 667,682 |  |
Stockholders' Equity Attributable to Parent at Sep. 30, 2019 | 246,248 | $ 220 | $ (12,483) | 192,911 | 65,600
Shares, Issued at Sep. 30, 2019 |  | 22,049,529 | 884,518 |  |
Issuances under compensation plans |  |  | $ 1,650 | (1,650) |
Issuances under compensation plans, shares |  |  | 116,580 |  |
Acquisition of treasury stock | (4,894) |  | $ (4,894) |  |
Acquisition of treasury stock, shares |  |  | (215,675) |  |
Options exercised | 34 |  | $ 84 | (50) |
Options exercised, shares |  |  | 5,750 |  |
Non-cash compensation | 1,684 |  |  | 1,684 |
Net income (loss) attributable to IES Holdings, Inc. | 14,733 |  |  |  | 14,733
Stockholders' Equity Attributable to Parent at Mar. 31, 2020 | 257,805 | $ 220 | $ (15,643) | 192,895 | 80,333
Shares, Issued at Mar. 31, 2020 |  | 22,049,529 | 977,863 |  |
Stockholders' Equity Attributable to Parent at Dec. 31, 2019 | 254,778 | $ 220 | $ (11,998) | 192,499 | 74,057
Shares, Issued at Dec. 31, 2019 |  | 22,049,529 | 826,353 |  |
Issuances under compensation plans |  |  | $ 308 | (308) |
Issuances under compensation plans, shares |  |  | 21,171 |  |
Acquisition of treasury stock | (4,037) |  | $ (4,037) |  |
Acquisition of treasury stock, shares |  |  | (178,431) |  |
Options exercised | 34 |  | $ 84 | (50) |
Options exercised, shares |  |  | 5,750 |  |
Non-cash compensation | 754 |  |  | 754 |
Noncontrolling Interest, Change in Redemption Value | 45 |  |  |  | 45
Net income (loss) attributable to IES Holdings, Inc. | 6,231 |  |  |  | 6,231
Stockholders' Equity Attributable to Parent at Mar. 31, 2020 | $ 257,805 | $ 220 | $ (15,643) | $ 192,895 | $ 80,333
Shares, Issued at Mar. 31, 2020 |  | 22,049,529 | 977,863 |  |

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