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Stockholders' equity | 3 Months Ended
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Mar. 31, 2021
Equity [Abstract] |
Stockholders’ equity | Stockholders’ equity Changes in equity are as follows:
| Common Stock |  | Paid-in Capital |  | Retained Earnings |  | Treasury Common Stock |  | AOCI
Balance, December 31, 2020 | $ | 1,741 |  |  | $ | 2,333 |  |  | $ | 42,051 |  |  | $ | (36,578) |  |  | $ | (360) |
2021 |  |  |  |  |  |  |  |  |
Net income | — |  |  | — |  |  | 1,753 |  |  | — |  |  | — |
Dividends declared and paid ($1.02 per share) | — |  |  | — |  |  | (940) |  |  | — |  |  | — |
Common stock issued for stock-based awards | — |  |  | (3) |  |  | — |  |  | 199 |  |  | — |
Stock repurchases | — |  |  | — |  |  | — |  |  | (100) |  |  | — |
Stock compensation | — |  |  | 61 |  |  | — |  |  | — |  |  | — |
Other comprehensive income (loss), net of taxes | — |  |  | — |  |  | — |  |  | — |  |  | 13 |
Dividend equivalents on RSUs | — |  |  | — |  |  | (4) |  |  | — |  |  | — |
Balance, March 31, 2021 | $ | 1,741 |  |  | $ | 2,391 |  |  | $ | 42,860 |  |  | $ | (36,479) |  |  | $ | (347) |
| Common Stock |  | Paid-in Capital |  | Retained Earnings |  | Treasury Common Stock |  | AOCI
Balance, December 31, 2019 | $ | 1,741 |  |  | $ | 2,110 |  |  | $ | 39,898 |  |  | $ | (34,495) |  |  | $ | (347) |
2020 |  |  |  |  |  |  |  |  |
Net income | — |  |  | — |  |  | 1,174 |  |  | — |  |  | — |
Dividends declared and paid ($0.90 per share) | — |  |  | — |  |  | (841) |  |  | — |  |  | — |
Common stock issued for stock-based awards | — |  |  | (77) |  |  | — |  |  | 223 |  |  | — |
Stock repurchases | — |  |  | — |  |  | — |  |  | (1,730) |  |  | — |
Stock compensation | — |  |  | 63 |  |  | — |  |  | — |  |  | — |
Other comprehensive income (loss), net of taxes | — |  |  | — |  |  | — |  |  | — |  |  | 19 |
Dividend equivalents on RSUs | — |  |  | — |  |  | (4) |  |  | — |  |  | — |
Balance, March 31, 2020 | $ | 1,741 |  |  | $ | 2,096 |  |  | $ | 40,227 |  |  | $ | (36,002) |  |  | $ | (328) |

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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