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Pay vs Performance Disclosure - USD ($)
 1 Months Ended 11 Months Ended 12 Months Ended
Dec. 31, 2024
Dec. 10, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Pay vs Performance Disclosure [Table]            
Disclosure - Pay vs Performance Disclosure    
                                       Value of Initial Fixed  $100 Investment Based On: 
Year  Summary Compensation Table Total for   Compensation Actually Paid to   Summary Compensation Table Total for   Compensation Actually Paid to   Average Summary Compensation Table Total for Non-PEO named executive officers   Average Compensation Actually Paid for Non-PEO named executive officers  

Total Shareholder

Return ($) (6)

  

Solactive EPIC Core Photonic USD Index

Total Shareholder

Return ($) (7)

   Net Loss ($) (8)  

NASDAQ

Composite Index Total Shareholder Return ($) (9)

 
   PEO ($) (1) (2)
(Michael Lebby)		   PEO ($) (1) (3)   PEO ($) (1) (2)
(Yves Le Maitre)		   PEO ($) (1) (3)   NEO ($) (4)   NEO ($) (5)                 
2024   832,095    806,186    626,873    508,597    550,702    514,333    226    90    (22,535,041)   150 
2023   1,346,381    1,454,564    —    —    1,108,385    1,208,378    535    94    (21,038,032)   116 
2022   1,459,996    200,166    —    —    1,216,991    (7,379)   463    84    (17,230,480)   81 
2021   3,073,321    5,683,051    —    —    3,034,845    5,644,575    1,600    123    (18,631,381)   121 
      
Company Selected Measure Name     NASDAQ Composite Index      
Named Executive Officers, Footnote [Text Block]    

 

(1)Our PEO for 2021, 2022, 2023 and 2024 (through December 10) was Dr. Michael S. Lebby and Yves Le Maitre from December 11, 2024.
     
Peer Group Issuers, Footnote [Text Block]    

 

(6)The total shareholder return is calculated by assuming that a $100 investment was made on the day prior to the first fiscal year reported and reinvesting all dividends until the last day of each reported fiscal year.
(7)The peer group used is the Solactive EPIC Core Phototonics USD Index NTR, as used the Company’s performance graph in our annual report. Total shareholder return is calculated by assuming that a $100 investment was made on the day prior to the first fiscal year reported and reinvesting all dividends until the last day of each reported fiscal year.
(8)The dollar amounts reported are the Company’s GAAP net income (loss) reflected in the Company’s audited financial statements.
(9)The Company selected measure is the NASDAQ Composite Index, as used the Company’s performance graph in our annual report. Total shareholder return is calculated by assuming that a $100 investment was made on the day prior to the first fiscal year reported and reinvesting all dividends until the last day of each reported fiscal year.
     
Adjustment To PEO Compensation, Footnote [Text Block]    

(2)Represents the total compensation paid to our PEO in each listed year, as shown in our Summary Compensation Table for each listed year.
(3)Represents the compensation actually paid to our PEO in each year listed.  Compensation actually does not mean that our PEO was actually paid those amounts in the listed year.  This dollar amount is derived from the starting point of Summary of Compensation Table total compensation under the methodology prescribed under the SEC’s rules, as shown in the table below:

 

 PEO (Michael Lebby)  2024   2023   2022   2021 
Summary Compensation Table Total  $832,095   $1,346,381   $1,459,996   $3,073,321 
                     
Subtract grant date fair value of option awards and stock awards granted in fiscal year   (387,037)   (848,478)   (922,205)   (153,875)
Add fair value at fiscal year-end of outstanding and unvested option awards and stock awards granted in fiscal year   —    —    —    2,188,521 
Adjust for change in fair value of outstanding and unvested option awards and stock awards granted in prior fiscal year   —    —    (319,842)   — 
Add fair value at vesting of option awards and stock awards granted in fiscal year that vested during the year   361,128    889,431    626,983    564,390 
Adjust for change in fair value as of vesting date of option awards and stock awards granted in prior fiscal years for which applicable vesting conditions were satisfied during the fiscal year   —    67,230    (644,766)   10,694 
Subtract fair value as of prior fiscal year-end of option awards and stock awards granted in the prior fiscal years that failed to meet applicable vesting conditions during the fiscal year   —    —    —    — 
Compensation actually paid  $806,186   $1,454,564   $200,166   $5,683,051 

 

                 
PEO (Yves Le Maitre)  2024   2023   2022   2021 
Summary Compensation Table Total  $626,873    —    —    — 
                     
Subtract grant date fair value of option awards and stock awards granted in fiscal year   (591,446)   —    —    — 
Add fair value at fiscal year-end of outstanding and unvested option awards and stock awards granted in fiscal year   380,436    —    —    — 
Adjust for change in fair value of outstanding and unvested option awards and stock awards granted in prior fiscal year   —    —    —    — 
Add fair value at vesting of option awards and stock awards granted in fiscal year that vested during the year   92,734    —    —    — 
Adjust for change in fair value as of vesting date of option awards and stock awards granted in prior fiscal years for which applicable vesting conditions were satisfied during the fiscal year   —    —    —    — 
Subtract fair value as of prior fiscal year-end of option awards and stock awards granted in the prior fiscal years that failed to meet applicable vesting conditions during the fiscal year   —    —    —    — 
Compensation actually paid  $508,597    —    —    — 

 

The assumptions used for determining the fair values of outstanding and unvested option awards shown in this table are different from those used to determine the fair values disclosed as of the grant date of such awards. The assumptions used for determining fair values shown in the table are:

 

Michael Lebby:

                 
   2024   2023   2022   2021 
                 
Expected life (in years)   9.54 - 9.99 years    8.21 - 10.0 years    8.30 - 9.97 years    8.21 - 9.97 years 
                     
Volatility   76.43% - 78.36%    76.60% - 78.01%    74.16% - 77.51%    71.70% - 76.30% 
                     
Risk-free rate   3.69% - 4.43%    3.39% - 4.77%    1.79% - 4.1%    1.09% - 1.63% 
                     
Expected dividend yield   0%   0%   0%   0%

 

 

 

Yves Le Maitre:

                 
   2024   2023   2022   2021 
                 
Expected life (in years)   9.66 - 9.99 years    —    —    — 
                     
Volatility   76.61% - 78.63%    —    —    — 
                     
Risk-free rate   3.70% - 4.53%    —    —    — 
                     
Expected dividend yield   0%   —    —    — 

      
Summary Compensation Table Total     $ 550,702 $ 1,108,385 $ 1,216,991 $ 3,034,845
Compensation actually paid     $ 514,333 1,208,378 (7,379) 5,644,575
(4)     (4)During 2023, 2022 and 2021, our named executive officer other than our PEO was James S. Marcelli. During 2024 our named executive officer’s other than our PEO were James S. Marcelli and Thomas E. Zelibor (from December 11, 2024). Represents the average of the total compensation paid to our NEO’s other than our PEO in each listed year, as shown in our Summary Compensation Table for each listed year.
(5)Represents the average compensation actually paid to our NEO’s other than our PEO in each year listed. Compensation actually paid does not mean that our NEO’s were actually paid those amounts in the listed year, but this is a dollar amount is derived from the starting point of Summary of Compensation Table total compensation under the methodology prescribed under the SEC’s rules as shown in the table below:

                 
 NEOs other than PEO   2024   2023   2022   2021 
Summary Compensation Table Total  $550,702   $1,108,385   $1,216,991   $3,034,845 
                     
Subtract grant date fair value of option awards and stock awards granted in fiscal year   (285,447)   (678,782)   (770,288)   (153,875)
Add fair value at fiscal year-end of outstanding and unvested option awards and stock awards granted in fiscal year   104,571    —    —    2,188,521 
Adjust for change in fair value of outstanding and unvested option awards and stock awards granted in prior fiscal year   —    —    (319,842)   — 
Add fair value at vesting of option awards and stock awards granted in fiscal year that vested during the year   144,507    711,545    510,526    564,390 
Adjust for change in fair value as of vesting date of option awards and stock awards granted in prior fiscal years for which applicable vesting conditions were satisfied during the fiscal year   —    67,230    (644,766)   10,694 
Subtract fair value as of prior fiscal year-end of option awards and stock awards granted in the prior fiscal years that failed to meet applicable vesting conditions during the fiscal year   —    —    —    — 
Compensation actually paid  $514,333   $1,208,378   $(7,379)  $5,644,575 

 

 

The assumptions used for determining the fair values of outstanding and unvested option awards shown in this table are different from those used to determine the fair values disclosed as of the grant date of such awards. The assumptions used for determining fair values shown in the table are:  

                 
   2024   2023   2022   2021 
                 
Expected life (in years)   9.54 - 9.99 years    8.21 - 10.0 years    8.30 - 9.97 years    8.21 - 9.97 years 
                     
Volatility   76.43% - 78.63%    76.60% - 78.01%    74.16% - 77.51%    71.70% - 76.30% 
                     
Risk-free rate   3.69% - 4.53%    3.39% - 4.77%    1.79% - 4.1%    1.09% - 1.63% 
                     
Expected dividend yield   0%   0%   0%   0%
      
Compensation Actually Paid vs. Total Shareholder Return [Text Block]    

 

Compensation Actually Paid, as determined under rules adopted pursuant to the Dodd-Frank Act and reflected in the Pay Versus Performance table above for our CEO (PEO) and cumulative total shareholder return (TSR) were both higher in 2021 and 2023 relative to 2020. The cumulative TSR for 2022 was higher relative to 2020, but the CEO Compensation Actually Paid was lower in 2022 relative to 2020.

Compensation Actually Paid, as determined under rules adopted pursuant to the Dodd-Frank Act and reflected in the Pay Versus Performance table above for our COO (NEO other than PEO) and cumulative total shareholder return (TSR) were both higher in 2021 and 2023 relative to 2020. The cumulative TSR for 2022 was higher relative to 2020, but the COO Compensation Actually Paid was lower in 2022 relative to 2020.

      
Compensation Actually Paid vs. Company Selected Measure [Text Block]    

 

During 2020, our cumulative TSR was less than the cumulative TSR of the Solactive EPIC Core Photonic USD Index as well as the cumulative TSR of the NASDAQ Composite Index measured on the same basis. During 2021, 2022 and 2023 our cumulative TSR outperformed the cumulative TSR of the Solactive EPIC Core Photonic USD Index as well as the cumulative TSR of the NASDAQ Composite Index measured on the same basis.

      
Tabular List of Performance Measure    

Tabular List of Performance Measure

 

The list below includes the financial performance measures that in our assessment represent the most important financial performance measures used to link compensation actually paid to our NEOs for 2023, to Company performance. The Company has limited revenue and does not have profit related financial performance measures.

Performance Measure

 

•Stock Price
•Cash Flow from Financing Activities
•Patent Applications
     
Total Shareholder Return Amount     $ 226 535 463 1,600
Peer Group Total Shareholder Return Amount     90 94 84 123
Net Income (Loss) Attributable to Parent     $ (22,535,041) $ (21,038,032) $ (17,230,480) $ (18,631,381)
Company Selected Measure Amount     150 116 81 121
PEO Name Yves Le Maitre Dr. Michael S. Lebby   Dr. Michael S. Lebby Dr. Michael S. Lebby Dr. Michael S. Lebby
Measure [Axis]: 1            
Pay vs Performance Disclosure [Table]            
Measure Name     Stock Price      
Measure [Axis]: 2            
Pay vs Performance Disclosure [Table]            
Measure Name     Cash Flow from Financing Activities      
Measure [Axis]: 3            
Pay vs Performance Disclosure [Table]            
Measure Name     Patent Applications      
Non-PEO NEO [Member] | Subtract grant date fair value of option awards and stock awards granted in fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     $ (285,447) $ (678,782) $ (770,288) $ (153,875)
Non-PEO NEO [Member] | Add fair value at fiscal year-end of outstanding and unvested option awards and stock awards granted in fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     104,571 0 0 2,188,521
Non-PEO NEO [Member] | Adjust for change in fair value of outstanding and unvested option awards and stock awards granted in prior fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     0 0 (319,842) 0
Non-PEO NEO [Member] | Add fair value at vesting of option awards and stock awards granted in fiscal year that vested during the year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     144,507 711,545 510,526 564,390
Non-PEO NEO [Member] | Adjust for change in fair value as of vesting date of option awards and stock awards granted in prior fiscal years for which applicable vesting conditions were satisfied during the fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     0 67,230 (644,766) 10,694
Non-PEO NEO [Member] | Subtract fair value as of prior fiscal year-end of option awards and stock awards granted in the prior fiscal years that failed to meet applicable vesting conditions during the fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     0 0 0 0
Michael Lebby [Member]            
Pay vs Performance Disclosure [Table]            
Summary Compensation Table Total     832,095 1,346,381 1,459,996 3,073,321
Compensation actually paid     806,186 1,454,564 200,166 5,683,051
Michael Lebby [Member] | PEO [Member] | Subtract grant date fair value of option awards and stock awards granted in fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     (387,037) (848,478) (922,205) (153,875)
Michael Lebby [Member] | PEO [Member] | Add fair value at fiscal year-end of outstanding and unvested option awards and stock awards granted in fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     0 0 0 2,188,521
Michael Lebby [Member] | PEO [Member] | Adjust for change in fair value of outstanding and unvested option awards and stock awards granted in prior fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     0 0 (319,842) 0
Michael Lebby [Member] | PEO [Member] | Add fair value at vesting of option awards and stock awards granted in fiscal year that vested during the year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     361,128 889,431 626,983 564,390
Michael Lebby [Member] | PEO [Member] | Adjust for change in fair value as of vesting date of option awards and stock awards granted in prior fiscal years for which applicable vesting conditions were satisfied during the fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     0 67,230 (644,766) 10,694
Michael Lebby [Member] | PEO [Member] | Subtract fair value as of prior fiscal year-end of option awards and stock awards granted in the prior fiscal years that failed to meet applicable vesting conditions during the fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     0 0 0 0
Yves Le Maitre [Member]            
Pay vs Performance Disclosure [Table]            
Summary Compensation Table Total     626,873 0 0 0
Compensation actually paid     508,597 0 0 0
Yves Le Maitre [Member] | PEO [Member] | Subtract grant date fair value of option awards and stock awards granted in fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     (591,446) 0 0 0
Yves Le Maitre [Member] | PEO [Member] | Add fair value at fiscal year-end of outstanding and unvested option awards and stock awards granted in fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     380,436 0 0 0
Yves Le Maitre [Member] | PEO [Member] | Adjust for change in fair value of outstanding and unvested option awards and stock awards granted in prior fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     0 0 0 0
Yves Le Maitre [Member] | PEO [Member] | Add fair value at vesting of option awards and stock awards granted in fiscal year that vested during the year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     92,734 0 0 0
Yves Le Maitre [Member] | PEO [Member] | Adjust for change in fair value as of vesting date of option awards and stock awards granted in prior fiscal years for which applicable vesting conditions were satisfied during the fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     0 0 0 0
Yves Le Maitre [Member] | PEO [Member] | Subtract fair value as of prior fiscal year-end of option awards and stock awards granted in the prior fiscal years that failed to meet applicable vesting conditions during the fiscal year [Member]            
Pay vs Performance Disclosure [Table]            
Adjustment to Compensation Amount     $ 0 $ 0 $ 0 $ 0