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PREPAID LICENSING AND ROYALTY FEES
 12 Months Ended
Dec. 31, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
PREPAID LICENSING AND ROYALTY FEES

NOTE 3. PREPAID LICENSING AND ROYALTY FEES

The following table summarizes changes to our Company’s prepaid licensing and royalty fees:

 

(in US$ thousands)

 

2023

 

 

2022

 

 

2021

 

Balance at beginning of year

 

$

177

 

 

$

35

 

 

$

130

 

Addition

 

 

36

 

 

 

369

 

 

 

98

 

Amortization and usage

 

 

(189

)

 

 

(227

)

 

 

(193

)

Impairment charges

 

 

—

 

 

 

—

 

 

 

—

 

Balance at end of year

 

$

24

 

 

$

177

 

 

$

35