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Pay vs Performance Disclosure - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Pay vs Performance Disclosure |  |  |
Pay vs Performance Disclosure, Table | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Value of Initial Fixed $100 | ​ | ​
​ | ​ | Summary | ​ | ​ | ​ | Average Summary | ​ | Average | ​ | Investment Based on: | ​ | ​
​ | ​ | Compensation | ​ | Compensation | ​ | Compensation | ​ | Compensation | ​ | Total | ​ | Net Income/
​ | ​ | Table Total | ​ | Actually | ​ | Table Total for | ​ | Actually Paid to | ​ | Shareholder | ​ | (Loss)
Year | ​ | for PEO(1) | ​ | Paid PEO(2) | ​ | Non-PEO NEO(1) | ​ | Non-PEO NEO(2) | ​ | Return (3) | ​ | In ($000s)
2023 | $ | 738,166 | $ | (29,333) | $ | 455,686 | $ | 219,302 | $ | 25.08 | $ | (17,882)
2022 | $ | 1,416,069 | $ | (977,377) | $ | 728,341 | $ | 836 | $ | 45.77 | $ | 15,811
2021 | $ | 2,836,108 | $ | 1,806,539 | $ | 1,250,901 | $ | 906,679 | $ | 92.06 | $ | 14,575
(1) | Our PEO for each of fiscal years 2023, 2022 and 2021 was Dr. Young. Our Non-PEO NEO for each of such fiscal years was Mr. Fischer.
(2) | The following table sets forth the amounts adjusted from the Summary Compensation table total to derive the Compensation Actually Paid for each fiscal year shown.
(3) | The amounts shown reflect the Company’s total shareholder return measured based on a fixed $100 investment made on December 31, 2020, the last trading day before the earliest fiscal year shown in the table.
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Add | Change in Yearend | Change in Value | Subtract Value of | ​
​ | ​ | ​ | ​ | Year-end Value | Value of Awards | through Vesting | Awards Granted in | ​
​ | ​ | ​ | ​ | of Awards Granted | Granted in Prior | of Awards Granted | Prior Year that | ​
​ | ​ | Summary | ​ | in Fiscal Year | Year Unvested as | in Prior Year | Failed to Meet | ​
​ | ​ | Compensation | Subtract | Unvested at | of Fiscal | Vested During | Vesting Conditions | Compensation
​ | ​ | Table Total | Stock Awards | Fiscal Yearend | Yearend | Fiscal Year | in Fiscal Year | Actually Paid
Year | Executive | ($) | ($) | ($) | ($) | ($) | ($) | ($)
2023 | PEO | 738,166 | (221,354) | 268,308 | (330,785) | (483,668) | — | (29,333)
​ | Non-PEO NEO | 455,686 | (76,824) | 93,120 | (119,105) | (133,575) | — | 219,302
2022 | PEO | 1,416,069 | (514,257) | 489,662 | (1,288,940) | (1,079,912) | — | (977,377)
​ | Non-PEO NEO | 728,341 | (178,480) | 169,944 | (384,373) | (334,596) | — | 836
2021 | PEO | 2,836,108 | (1,888,762) | 1,300,180 | (289,295) | (151,692) | — | 1,806,539
​ | Non-PEO NEO | 1,250,901 | (709,697) | 490,717 | (79,477) | (45,765) | — | 906,679
​ NOTE: There were no awards granted and vesting in the same fiscal year. |  |
PEO Total Compensation Amount | $ 738,166 | $ 1,416,069 | $ 2,836,108
PEO Actually Paid Compensation Amount | $ (29,333) | (977,377) | 1,806,539
Adjustment To PEO Compensation, Footnote |
(2) | The following table sets forth the amounts adjusted from the Summary Compensation table total to derive the Compensation Actually Paid for each fiscal year shown.
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Add | Change in Yearend | Change in Value | Subtract Value of | ​
​ | ​ | ​ | ​ | Year-end Value | Value of Awards | through Vesting | Awards Granted in | ​
​ | ​ | ​ | ​ | of Awards Granted | Granted in Prior | of Awards Granted | Prior Year that | ​
​ | ​ | Summary | ​ | in Fiscal Year | Year Unvested as | in Prior Year | Failed to Meet | ​
​ | ​ | Compensation | Subtract | Unvested at | of Fiscal | Vested During | Vesting Conditions | Compensation
​ | ​ | Table Total | Stock Awards | Fiscal Yearend | Yearend | Fiscal Year | in Fiscal Year | Actually Paid
Year | Executive | ($) | ($) | ($) | ($) | ($) | ($) | ($)
2023 | PEO | 738,166 | (221,354) | 268,308 | (330,785) | (483,668) | — | (29,333)
​ | Non-PEO NEO | 455,686 | (76,824) | 93,120 | (119,105) | (133,575) | — | 219,302
2022 | PEO | 1,416,069 | (514,257) | 489,662 | (1,288,940) | (1,079,912) | — | (977,377)
​ | Non-PEO NEO | 728,341 | (178,480) | 169,944 | (384,373) | (334,596) | — | 836
2021 | PEO | 2,836,108 | (1,888,762) | 1,300,180 | (289,295) | (151,692) | — | 1,806,539
​ | Non-PEO NEO | 1,250,901 | (709,697) | 490,717 | (79,477) | (45,765) | — | 906,679
​ NOTE: There were no awards granted and vesting in the same fiscal year. |  |
Non-PEO NEO Average Total Compensation Amount | $ 455,686 | 728,341 | 1,250,901
Non-PEO NEO Average Compensation Actually Paid Amount | $ 219,302 | 836 | 906,679
Adjustment to Non-PEO NEO Compensation Footnote |
(2) | The following table sets forth the amounts adjusted from the Summary Compensation table total to derive the Compensation Actually Paid for each fiscal year shown.
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Add | Change in Yearend | Change in Value | Subtract Value of | ​
​ | ​ | ​ | ​ | Year-end Value | Value of Awards | through Vesting | Awards Granted in | ​
​ | ​ | ​ | ​ | of Awards Granted | Granted in Prior | of Awards Granted | Prior Year that | ​
​ | ​ | Summary | ​ | in Fiscal Year | Year Unvested as | in Prior Year | Failed to Meet | ​
​ | ​ | Compensation | Subtract | Unvested at | of Fiscal | Vested During | Vesting Conditions | Compensation
​ | ​ | Table Total | Stock Awards | Fiscal Yearend | Yearend | Fiscal Year | in Fiscal Year | Actually Paid
Year | Executive | ($) | ($) | ($) | ($) | ($) | ($) | ($)
2023 | PEO | 738,166 | (221,354) | 268,308 | (330,785) | (483,668) | — | (29,333)
​ | Non-PEO NEO | 455,686 | (76,824) | 93,120 | (119,105) | (133,575) | — | 219,302
2022 | PEO | 1,416,069 | (514,257) | 489,662 | (1,288,940) | (1,079,912) | — | (977,377)
​ | Non-PEO NEO | 728,341 | (178,480) | 169,944 | (384,373) | (334,596) | — | 836
2021 | PEO | 2,836,108 | (1,888,762) | 1,300,180 | (289,295) | (151,692) | — | 1,806,539
​ | Non-PEO NEO | 1,250,901 | (709,697) | 490,717 | (79,477) | (45,765) | — | 906,679
​ NOTE: There were no awards granted and vesting in the same fiscal year. |  |
Compensation Actually Paid vs. Total Shareholder Return |  |  |
Compensation Actually Paid vs. Net Income |  |  |
Total Shareholder Return Amount | $ 25.08 | 45.77 | 92.06
Net Income (Loss) | $ (17,882,000) | 15,811,000 | 14,575,000
PEO Name | Dr. Young |  |
PEO | Subtract Stock Awards |  |  |
Pay vs Performance Disclosure |  |  |
Adjustment to Compensation, Amount | $ (221,354) | (514,257) | (1,888,762)
PEO | Add Year-end Value of Awards Granted in Fiscal Year Unvested at Fiscal Yearend |  |  |
Pay vs Performance Disclosure |  |  |
Adjustment to Compensation, Amount | 268,308 | 489,662 | 1,300,180
PEO | Change in Yearend Value of Awards Granted in Prior Year Unvested as of Fiscal Yearend |  |  |
Pay vs Performance Disclosure |  |  |
Adjustment to Compensation, Amount | (330,785) | (1,288,940) | (289,295)
PEO | Change in Value through Vesting of Awards Granted in Prior Year Vested During Fiscal Year |  |  |
Pay vs Performance Disclosure |  |  |
Adjustment to Compensation, Amount | (483,668) | (1,079,912) | (151,692)
PEO | Awards granted and vesting in the same fiscal year |  |  |
Pay vs Performance Disclosure |  |  |
Adjustment to Compensation, Amount | 0 | 0 | 0
Non-PEO NEO | Subtract Stock Awards |  |  |
Pay vs Performance Disclosure |  |  |
Adjustment to Compensation, Amount | (76,824) | (178,480) | (709,697)
Non-PEO NEO | Add Year-end Value of Awards Granted in Fiscal Year Unvested at Fiscal Yearend |  |  |
Pay vs Performance Disclosure |  |  |
Adjustment to Compensation, Amount | 93,120 | 169,944 | 490,717
Non-PEO NEO | Change in Yearend Value of Awards Granted in Prior Year Unvested as of Fiscal Yearend |  |  |
Pay vs Performance Disclosure |  |  |
Adjustment to Compensation, Amount | (119,105) | (384,373) | (79,477)
Non-PEO NEO | Change in Value through Vesting of Awards Granted in Prior Year Vested During Fiscal Year |  |  |
Pay vs Performance Disclosure |  |  |
Adjustment to Compensation, Amount | (133,575) | (334,596) | (45,765)
Non-PEO NEO | Awards granted and vesting in the same fiscal year |  |  |
Pay vs Performance Disclosure |  |  |
Adjustment to Compensation, Amount | $ 0 | $ 0 | $ 0

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