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Intangible Assets (Tables)
6 Months Ended
Jun. 30, 2024
Intangible Assets  
Schedule of intangible assets

    

June 30, 2024

    

December 31, 2023

Gross Carrying

Accumulated

Gross Carrying

Accumulated

    

Amount

    

Amortization

    

Amount

    

Amortization

Intangible assets:

Licenses

$

149

$

(65)

$

149

$

(61)

Patents

130

(8)

92

(5)

Patents pending

 

1,671

 

 

1,444

 

Trademarks

13

13

Trademarks pending

 

22

 

 

18

 

Total amortized intangible assets

$

1,985

$

(73)

$

1,716

$

(66)

Schedule of amortization expense for intangible assets

Three Months Ended June 30, 

Six Months Ended June 30, 

 

    

2024

    

2023

2024

    

2023

 

Amortization expense

$

3

$

3

$

7

$

8