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Unaudited Quarterly Consolidated Financial Data | 12 Months Ended
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Dec. 31, 2020
Unaudited Quarterly Consolidated Financial Data |
Unaudited Quarterly Consolidated Financial Data | Note 17. Unaudited Quarterly Consolidated Financial Data ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Quarter |
​ |  | First |  | Second |  | Third |  | Fourth |
​ | ​ | (in thousands, except per share data) |
2020: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Revenue | ​ | $ | 20,723 | ​ | $ | 22,134 | ​ | $ | 25,469 | ​ | $ | 27,035 | ​
Gross profit | ​ |  | 5,522 | ​ |  | 6,768 | ​ |  | 8,823 | ​ |  | 9,162 | ​
Net income (loss) attributable to AXT, Inc. | ​ |  | (178) | ​ |  | 361 | ​ |  | 991 | ​ |  | 2,064 | ​
Net income (loss) attributable to AXT, Inc. per share, basic | ​ | $ | (0.01) | ​ | $ | 0.01 | ​ | $ | 0.02 | ​ | $ | 0.05 | ​
Net income (loss) attributable to AXT, Inc. per share, diluted | ​ | $ | (0.01) | ​ | $ | 0.01 | ​ | $ | 0.02 | ​ | $ | 0.05 | ​
2019: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Revenue | ​ | $ | 20,208 | ​ | $ | 24,797 | ​ | $ | 19,841 | ​ | $ | 18,410 | ​
Gross profit | ​ |  | 6,695 | ​ |  | 8,506 | ​ |  | 5,759 | ​ |  | 3,865 | ​
Net income (loss) attributable to AXT, Inc. | ​ |  | (1,104) | ​ |  | 1,451 | ​ |  | (898) | ​ |  | (2,049) | ​
Net income (loss) attributable to AXT, Inc. per share, basic | ​ | $ | (0.03) | ​ | $ | 0.04 | ​ | $ | (0.02) | ​ | $ | (0.05) | ​
Net income (loss) attributable to AXT, Inc. per share, diluted | ​ | $ | (0.03) | ​ | $ | 0.04 | ​ | $ | (0.02) | ​ | $ | (0.05) | ​
​

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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