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Pay vs Performance Disclosure - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Pay vs Performance Disclosure |  |  |  |
Pay vs Performance Disclosure, Table |
​ | ​ | Year | ​ | ​ | ​ | Summary Compensation Table Total for Chih-Hsiang (Thompson) Lin(1) ($) | ​ | ​ | ​ | Compensation Actually Paid to Chih-Hsiang (Thompson) Lin(1)(2)(3) ($) | ​ | ​ | ​ | Average Summary Compensation Table Total for Non-PEO NEOs(1) ($) | ​ | ​ | ​ | Average Compensation Actually Paid to Non-PEO NEOs(1)(2)(3) ($) | ​ | ​ | ​ | Value of Initial Fixed $100 Investment based on:(4) | ​ | ​ | ​ | Net Income ($ Thousands) | ​ | ​
​ | TSR ($) | ​ | ​ | ​ | Peer Group TSR ($) | ​ | ​
​ | ​ | 2023 | ​ | ​ | ​ | ​ | ​ | 6,049,470 | ​ | ​ | ​ | ​ | ​ | ​ | 38,409,964 | ​ | ​ | ​ | ​ | ​ | ​ | 1,923,067 | ​ | ​ | ​ | ​ | ​ | ​ | 11,430,710 | ​ | ​ | ​ | ​ | ​ | ​ | 162.63 | ​ | ​ | ​ | ​ | ​ | ​ | 178.88 | ​ | ​ | ​ | ​ | ​ | ​ | (56,048) | ​ | ​ | ​
​ | ​ | 2022 | ​ | ​ | ​ | ​ | ​ | 2,157,067 | ​ | ​ | ​ | ​ | ​ | ​ | 456,994 | ​ | ​ | ​ | ​ | ​ | ​ | 811,490 | ​ | ​ | ​ | ​ | ​ | ​ | 311,906 | ​ | ​ | ​ | ​ | ​ | ​ | 15.91 | ​ | ​ | ​ | ​ | ​ | ​ | 178.07 | ​ | ​ | ​ | ​ | ​ | ​ | (66,397) | ​ | ​ | ​
​ | ​ | 2021 | ​ | ​ | ​ | ​ | ​ | 3,659,008 | ​ | ​ | ​ | ​ | ​ | ​ | 2,725,556 | ​ | ​ | ​ | ​ | ​ | ​ | 1,251,466 | ​ | ​ | ​ | ​ | ​ | ​ | 988,822 | ​ | ​ | ​ | ​ | ​ | ​ | 43.27 | ​ | ​ | ​ | ​ | ​ | ​ | 215.25 | ​ | ​ | ​ | ​ | ​ | ​ | (54,162) | ​ | ​ | ​
​ | ​ | 2020 | ​ | ​ | ​ | ​ | ​ | 2,476,271 | ​ | ​ | ​ | ​ | ​ | ​ | 2,242,974 | ​ | ​ | ​ | ​ | ​ | ​ | 899,965 | ​ | ​ | ​ | ​ | ​ | ​ | 870,688 | ​ | ​ | ​ | ​ | ​ | ​ | 71.63 | ​ | ​ | ​ | ​ | ​ | ​ | 142.68 | ​ | ​ | ​ | ​ | ​ | ​ | (58,452) | ​ | ​ | ​
​ (1) Chih-Hsiang (Thompson) Lin was our PEO for each year presented. The individuals comprising the Non-PEO NEOs for each year presented are listed below. ​
​ | ​ | 2021 – 2023 | ​ | ​
​ | ​ | Stefan J. Murry | ​ | ​
​ | ​ | Hung-Lun (Fred) Chang | ​ | ​
​ | ​ | Shu-Hua (Joshua) Yeh | ​ | ​
​ | ​ | David C. Kuo | ​ | ​
​ (2) The amounts shown for Compensation Actually Paid have been calculated in accordance with Item 402(v) of Regulation S-K and do not reflect compensation actually earned, realized, or received by the Company’s NEOs. These amounts reflect the Summary Compensation Table Total with certain adjustments as described in footnote 3 below. ​ (3) Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for the PEO and the Non-PEO NEOs as set forth below. Equity values are calculated in accordance with FASB ASC Topic 718. Amounts in the Exclusion of Stock Awards column are the totals from the Stock Awards column set forth in the Summary Compensation Table. ​
​ | ​ | Year | ​ | ​ | ​ | Summary Compensation Table Total for Chih- Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Exclusion of Stock Awards for Chih-Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Inclusion of Equity Values for Chih-Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Compensation Actually Paid to Chih-Hsiang (Thompson) Lin ($) | ​ | ​
​ | ​ | 2023 | ​ | ​ | ​ | ​ | ​ | 6,049,470 | ​ | ​ | ​ | ​ | ​ | ​ | (4,816,714) | ​ | ​ | ​ | ​ | ​ | ​ | 37,177,208 | ​ | ​ | ​ | ​ | ​ | ​ | 38,409,964 | ​ | ​ | ​
​ | ​ | 2022 | ​ | ​ | ​ | ​ | ​ | 2,157,067 | ​ | ​ | ​ | ​ | ​ | ​ | (949,776) | ​ | ​ | ​ | ​ | ​ | ​ | (750,297) | ​ | ​ | ​ | ​ | ​ | ​ | 456,994 | ​ | ​ | ​
​ | ​ | 2021 | ​ | ​ | ​ | ​ | ​ | 3,659,008 | ​ | ​ | ​ | ​ | ​ | ​ | (2,915,291) | ​ | ​ | ​ | ​ | ​ | ​ | 1,981,839 | ​ | ​ | ​ | ​ | ​ | ​ | 2,725,556 | ​ | ​ | ​
​ | ​ | 2020 | ​ | ​ | ​ | ​ | ​ | 2,476,271 | ​ | ​ | ​ | ​ | ​ | ​ | (1,595,332) | ​ | ​ | ​ | ​ | ​ | ​ | 1,362,035 | ​ | ​ | ​ | ​ | ​ | ​ | 2,242,974 | ​ | ​ | ​
​ | ​ | Year | ​ | ​ | ​ | Average Summary Compensation Table Total for Non-PEO NEOs ($) | ​ | ​ | ​ | Average Exclusion of Stock Awards for Non- PEO NEOs ($) | ​ | ​ | ​ | Average Inclusion of Equity Values for Non- PEO NEOs ($) | ​ | ​ | ​ | Average Compensation Actually Paid to Non- PEO NEOs ($) | ​ | ​
​ | ​ | 2023 | ​ | ​ | ​ | ​ | ​ | 1,923,067 | ​ | ​ | ​ | ​ | ​ | ​ | (1,390,823) | ​ | ​ | ​ | ​ | ​ | ​ | 10,898,466 | ​ | ​ | ​ | ​ | ​ | ​ | 11,430,710 | ​ | ​ | ​
​ | ​ | 2022 | ​ | ​ | ​ | ​ | ​ | 811,490 | ​ | ​ | ​ | ​ | ​ | ​ | (282,557) | ​ | ​ | ​ | ​ | ​ | ​ | (217,027) | ​ | ​ | ​ | ​ | ​ | ​ | 311,906 | ​ | ​ | ​
​ | ​ | 2021 | ​ | ​ | ​ | ​ | ​ | 1,251,466 | ​ | ​ | ​ | ​ | ​ | ​ | (867,292) | ​ | ​ | ​ | ​ | ​ | ​ | 604,648 | ​ | ​ | ​ | ​ | ​ | ​ | 988,822 | ​ | ​ | ​
​ | ​ | 2020 | ​ | ​ | ​ | ​ | ​ | 899,965 | ​ | ​ | ​ | ​ | ​ | ​ | (480,510) | ​ | ​ | ​ | ​ | ​ | ​ | 451,233 | ​ | ​ | ​ | ​ | ​ | ​ | 870,688 | ​ | ​ | ​
The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables:
​ | ​ | Year | ​ | ​ | ​ | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Chih-Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Chih- Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year for Chih-Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Chih-Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Total – Inclusion of Equity Values for Chih-Hsiang (Thompson) Lin ($) | ​ | ​
​ | ​ | 2023 | ​ | ​ | ​ | ​ | ​ | 19,272,269 | ​ | ​ | ​ | ​ | ​ | ​ | 16,949,393 | ​ | ​ | ​ | ​ | ​ | ​ | 433,047 | ​ | ​ | ​ | ​ | ​ | ​ | 522,499 | ​ | ​ | ​ | ​ | ​ | ​ | 37,177,208 | ​ | ​ | ​
​ | ​ | 2022 | ​ | ​ | ​ | ​ | ​ | 971,794 | ​ | ​ | ​ | ​ | ​ | ​ | (1,471,585) | ​ | ​ | ​ | ​ | ​ | ​ | 88,308 | ​ | ​ | ​ | ​ | ​ | ​ | (338,814) | ​ | ​ | ​ | ​ | ​ | ​ | (750,297) | ​ | ​ | ​
​ | ​ | 2021 | ​ | ​ | ​ | ​ | ​ | 2,106,831 | ​ | ​ | ​ | ​ | ​ | ​ | (462,209) | ​ | ​ | ​ | ​ | ​ | ​ | 331,884 | ​ | ​ | ​ | ​ | ​ | ​ | 5,333 | ​ | ​ | ​ | ​ | ​ | ​ | 1,981,839 | ​ | ​ | ​
​ | ​ | 2020 | ​ | ​ | ​ | ​ | ​ | 1,291,035 | ​ | ​ | ​ | ​ | ​ | ​ | (296,981) | ​ | ​ | ​ | ​ | ​ | ​ | 383,351 | ​ | ​ | ​ | ​ | ​ | ​ | (15,370) | ​ | ​ | ​ | ​ | ​ | ​ | 1,362,035 | ​ | ​ | ​
​ | ​ | Year | ​ | ​ | ​ | Average Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Non-PEO NEOs ($) | ​ | ​ | ​ | Average Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Non-PEO NEOs ($) | ​ | ​ | ​ | Average Vesting- Date Fair Value of Equity Awards Granted During Year that Vested During Year for Non-PEO NEOs ($) | ​ | ​ | ​ | Average Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Non-PEO NEOs ($) | ​ | ​ | ​ | Total – Average Inclusion of Equity Values for Non-PEO NEOs ($) | ​ | ​
​ | ​ | 2023 | ​ | ​ | ​ | ​ | ​ | 5,570,051 | ​ | ​ | ​ | ​ | ​ | ​ | 5,047,041 | ​ | ​ | ​ | ​ | ​ | ​ | 125,040 | ​ | ​ | ​ | ​ | ​ | ​ | 156,334 | ​ | ​ | ​ | ​ | ​ | ​ | 10,898,466 | ​ | ​ | ​
​ | ​ | 2022 | ​ | ​ | ​ | ​ | ​ | 289,108 | ​ | ​ | ​ | ​ | ​ | ​ | (437,780) | ​ | ​ | ​ | ​ | ​ | ​ | 26,271 | ​ | ​ | ​ | ​ | ​ | ​ | (94,626) | ​ | ​ | ​ | ​ | ​ | ​ | (217,027) | ​ | ​ | ​
​ | ​ | 2021 | ​ | ​ | ​ | ​ | ​ | 629,586 | ​ | ​ | ​ | ​ | ​ | ​ | (125,328) | ​ | ​ | ​ | ​ | ​ | ​ | 99,736 | ​ | ​ | ​ | ​ | ​ | ​ | 654 | ​ | ​ | ​ | ​ | ​ | ​ | 604,648 | ​ | ​ | ​
​ | ​ | 2020 | ​ | ​ | ​ | ​ | ​ | 390,003 | ​ | ​ | ​ | ​ | ​ | ​ | (51,818) | ​ | ​ | ​ | ​ | ​ | ​ | 115,801 | ​ | ​ | ​ | ​ | ​ | ​ | (2,753) | ​ | ​ | ​ | ​ | ​ | ​ | 451,233 | ​ | ​ | ​
​ (4) The Peer Group TSR set forth in this table utilizes the peer companies used for compensation benchmarking purposes in 2020, which are summarized in our “Compensation Discussion and Analysis” section of this Proxy Statement, for the years reflected in the table above but excludes companies that had ceased to be publicly traded as of the end of each fiscal year. |  |  |
Named Executive Officers, Footnote | (1) Chih-Hsiang (Thompson) Lin was our PEO for each year presented. The individuals comprising the Non-PEO NEOs for each year presented are listed below. ​
​ | ​ | 2021 – 2023 | ​ | ​
​ | ​ | Stefan J. Murry | ​ | ​
​ | ​ | Hung-Lun (Fred) Chang | ​ | ​
​ | ​ | Shu-Hua (Joshua) Yeh | ​ | ​
​ | ​ | David C. Kuo | ​ | ​
Peer Group Issuers, Footnote | (4) The Peer Group TSR set forth in this table utilizes the peer companies used for compensation benchmarking purposes in 2020, which are summarized in our “Compensation Discussion and Analysis” section of this Proxy Statement, for the years reflected in the table above but excludes companies that had ceased to be publicly traded as of the end of each fiscal year. |  |  |
PEO Total Compensation Amount | $ 6,049,470 | $ 2,157,067 | $ 3,659,008 | $ 2,476,271
PEO Actually Paid Compensation Amount | $ 38,409,964 | 456,994 | 2,725,556 | 2,242,974
Adjustment To PEO Compensation, Footnote | (3) Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for the PEO and the Non-PEO NEOs as set forth below. Equity values are calculated in accordance with FASB ASC Topic 718. Amounts in the Exclusion of Stock Awards column are the totals from the Stock Awards column set forth in the Summary Compensation Table. ​
​ | ​ | Year | ​ | ​ | ​ | Summary Compensation Table Total for Chih- Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Exclusion of Stock Awards for Chih-Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Inclusion of Equity Values for Chih-Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Compensation Actually Paid to Chih-Hsiang (Thompson) Lin ($) | ​ | ​
​ | ​ | 2023 | ​ | ​ | ​ | ​ | ​ | 6,049,470 | ​ | ​ | ​ | ​ | ​ | ​ | (4,816,714) | ​ | ​ | ​ | ​ | ​ | ​ | 37,177,208 | ​ | ​ | ​ | ​ | ​ | ​ | 38,409,964 | ​ | ​ | ​
​ | ​ | 2022 | ​ | ​ | ​ | ​ | ​ | 2,157,067 | ​ | ​ | ​ | ​ | ​ | ​ | (949,776) | ​ | ​ | ​ | ​ | ​ | ​ | (750,297) | ​ | ​ | ​ | ​ | ​ | ​ | 456,994 | ​ | ​ | ​
​ | ​ | 2021 | ​ | ​ | ​ | ​ | ​ | 3,659,008 | ​ | ​ | ​ | ​ | ​ | ​ | (2,915,291) | ​ | ​ | ​ | ​ | ​ | ​ | 1,981,839 | ​ | ​ | ​ | ​ | ​ | ​ | 2,725,556 | ​ | ​ | ​
​ | ​ | 2020 | ​ | ​ | ​ | ​ | ​ | 2,476,271 | ​ | ​ | ​ | ​ | ​ | ​ | (1,595,332) | ​ | ​ | ​ | ​ | ​ | ​ | 1,362,035 | ​ | ​ | ​ | ​ | ​ | ​ | 2,242,974 | ​ | ​ | ​
The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables:
​ | ​ | Year | ​ | ​ | ​ | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Chih-Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Chih- Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year for Chih-Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Chih-Hsiang (Thompson) Lin ($) | ​ | ​ | ​ | Total – Inclusion of Equity Values for Chih-Hsiang (Thompson) Lin ($) | ​ | ​
​ | ​ | 2023 | ​ | ​ | ​ | ​ | ​ | 19,272,269 | ​ | ​ | ​ | ​ | ​ | ​ | 16,949,393 | ​ | ​ | ​ | ​ | ​ | ​ | 433,047 | ​ | ​ | ​ | ​ | ​ | ​ | 522,499 | ​ | ​ | ​ | ​ | ​ | ​ | 37,177,208 | ​ | ​ | ​
​ | ​ | 2022 | ​ | ​ | ​ | ​ | ​ | 971,794 | ​ | ​ | ​ | ​ | ​ | ​ | (1,471,585) | ​ | ​ | ​ | ​ | ​ | ​ | 88,308 | ​ | ​ | ​ | ​ | ​ | ​ | (338,814) | ​ | ​ | ​ | ​ | ​ | ​ | (750,297) | ​ | ​ | ​
​ | ​ | 2021 | ​ | ​ | ​ | ​ | ​ | 2,106,831 | ​ | ​ | ​ | ​ | ​ | ​ | (462,209) | ​ | ​ | ​ | ​ | ​ | ​ | 331,884 | ​ | ​ | ​ | ​ | ​ | ​ | 5,333 | ​ | ​ | ​ | ​ | ​ | ​ | 1,981,839 | ​ | ​ | ​
​ | ​ | 2020 | ​ | ​ | ​ | ​ | ​ | 1,291,035 | ​ | ​ | ​ | ​ | ​ | ​ | (296,981) | ​ | ​ | ​ | ​ | ​ | ​ | 383,351 | ​ | ​ | ​ | ​ | ​ | ​ | (15,370) | ​ | ​ | ​ | ​ | ​ | ​ | 1,362,035 | ​ | ​ | ​
Non-PEO NEO Average Total Compensation Amount | $ 1,923,067 | 811,490 | 1,251,466 | 899,965
Non-PEO NEO Average Compensation Actually Paid Amount | $ 11,430,710 | 311,906 | 988,822 | 870,688
Adjustment to Non-PEO NEO Compensation Footnote | (3) Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for the PEO and the Non-PEO NEOs as set forth below. Equity values are calculated in accordance with FASB ASC Topic 718. Amounts in the Exclusion of Stock Awards column are the totals from the Stock Awards column set forth in the Summary Compensation Table. ​
​ | ​ | Year | ​ | ​ | ​ | Average Summary Compensation Table Total for Non-PEO NEOs ($) | ​ | ​ | ​ | Average Exclusion of Stock Awards for Non- PEO NEOs ($) | ​ | ​ | ​ | Average Inclusion of Equity Values for Non- PEO NEOs ($) | ​ | ​ | ​ | Average Compensation Actually Paid to Non- PEO NEOs ($) | ​ | ​
​ | ​ | 2023 | ​ | ​ | ​ | ​ | ​ | 1,923,067 | ​ | ​ | ​ | ​ | ​ | ​ | (1,390,823) | ​ | ​ | ​ | ​ | ​ | ​ | 10,898,466 | ​ | ​ | ​ | ​ | ​ | ​ | 11,430,710 | ​ | ​ | ​
​ | ​ | 2022 | ​ | ​ | ​ | ​ | ​ | 811,490 | ​ | ​ | ​ | ​ | ​ | ​ | (282,557) | ​ | ​ | ​ | ​ | ​ | ​ | (217,027) | ​ | ​ | ​ | ​ | ​ | ​ | 311,906 | ​ | ​ | ​
​ | ​ | 2021 | ​ | ​ | ​ | ​ | ​ | 1,251,466 | ​ | ​ | ​ | ​ | ​ | ​ | (867,292) | ​ | ​ | ​ | ​ | ​ | ​ | 604,648 | ​ | ​ | ​ | ​ | ​ | ​ | 988,822 | ​ | ​ | ​
​ | ​ | 2020 | ​ | ​ | ​ | ​ | ​ | 899,965 | ​ | ​ | ​ | ​ | ​ | ​ | (480,510) | ​ | ​ | ​ | ​ | ​ | ​ | 451,233 | ​ | ​ | ​ | ​ | ​ | ​ | 870,688 | ​ | ​ | ​
The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables:
​ | ​ | Year | ​ | ​ | ​ | Average Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year for Non-PEO NEOs ($) | ​ | ​ | ​ | Average Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards for Non-PEO NEOs ($) | ​ | ​ | ​ | Average Vesting- Date Fair Value of Equity Awards Granted During Year that Vested During Year for Non-PEO NEOs ($) | ​ | ​ | ​ | Average Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year for Non-PEO NEOs ($) | ​ | ​ | ​ | Total – Average Inclusion of Equity Values for Non-PEO NEOs ($) | ​ | ​
​ | ​ | 2023 | ​ | ​ | ​ | ​ | ​ | 5,570,051 | ​ | ​ | ​ | ​ | ​ | ​ | 5,047,041 | ​ | ​ | ​ | ​ | ​ | ​ | 125,040 | ​ | ​ | ​ | ​ | ​ | ​ | 156,334 | ​ | ​ | ​ | ​ | ​ | ​ | 10,898,466 | ​ | ​ | ​
​ | ​ | 2022 | ​ | ​ | ​ | ​ | ​ | 289,108 | ​ | ​ | ​ | ​ | ​ | ​ | (437,780) | ​ | ​ | ​ | ​ | ​ | ​ | 26,271 | ​ | ​ | ​ | ​ | ​ | ​ | (94,626) | ​ | ​ | ​ | ​ | ​ | ​ | (217,027) | ​ | ​ | ​
​ | ​ | 2021 | ​ | ​ | ​ | ​ | ​ | 629,586 | ​ | ​ | ​ | ​ | ​ | ​ | (125,328) | ​ | ​ | ​ | ​ | ​ | ​ | 99,736 | ​ | ​ | ​ | ​ | ​ | ​ | 654 | ​ | ​ | ​ | ​ | ​ | ​ | 604,648 | ​ | ​ | ​
​ | ​ | 2020 | ​ | ​ | ​ | ​ | ​ | 390,003 | ​ | ​ | ​ | ​ | ​ | ​ | (51,818) | ​ | ​ | ​ | ​ | ​ | ​ | 115,801 | ​ | ​ | ​ | ​ | ​ | ​ | (2,753) | ​ | ​ | ​ | ​ | ​ | ​ | 451,233 | ​ | ​ | ​
Compensation Actually Paid vs. Total Shareholder Return |  |  |  |
Compensation Actually Paid vs. Net Income |  |  |  |
Total Shareholder Return Vs Peer Group |  |  |  |
Total Shareholder Return Amount | $ 162.63 | 15.91 | 43.27 | 71.63
Peer Group Total Shareholder Return Amount | 178.88 | 178.07 | 215.25 | 142.68
Net Income (Loss) | $ (56,048,000) | (66,397,000) | (54,162,000) | (58,452,000)
PEO Name | Chih-Hsiang (Thompson) Lin |  |  |
PEO | Equity Awards Value In Summary Compensation Table (Grant Date Value) [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ (4,816,714) | (949,776) | (2,915,291) | (1,595,332)
PEO | Total Equity Awards Adjustments [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 37,177,208 | (750,297) | 1,981,839 | 1,362,035
PEO | Year-end Fair Value Of Awards Granted In The Current Fiscal Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 19,272,269 | 971,794 | 2,106,831 | 1,291,035
PEO | Change In Fair Value Of Outstanding And Unvested Awards Granted In Prior Fiscal Years [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 16,949,393 | (1,471,585) | (462,209) | (296,981)
PEO | Change In Fair Value As Of Vesting Date Of Current Year Awards Vested During Current Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 433,047 | 88,308 | 331,884 | 383,351
PEO | Change In Fair Value As Of Vesting Date Of Prior Year Awards Vested During Current Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 522,499 | (338,814) | 5,333 | (15,370)
Non-PEO NEO | Equity Awards Value In Summary Compensation Table (Grant Date Value) [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | (1,390,823) | (282,557) | (867,292) | (480,510)
Non-PEO NEO | Total Equity Awards Adjustments [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 10,898,466 | (217,027) | 604,648 | 451,233
Non-PEO NEO | Year-end Fair Value Of Awards Granted In The Current Fiscal Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 5,570,051 | 289,108 | 629,586 | 390,003
Non-PEO NEO | Change In Fair Value Of Outstanding And Unvested Awards Granted In Prior Fiscal Years [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 5,047,041 | (437,780) | (125,328) | (51,818)
Non-PEO NEO | Change In Fair Value As Of Vesting Date Of Current Year Awards Vested During Current Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 125,040 | 26,271 | 99,736 | 115,801
Non-PEO NEO | Change In Fair Value As Of Vesting Date Of Prior Year Awards Vested During Current Year [Member] |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ 156,334 | $ (94,626) | $ 654 | $ (2,753)

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