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ACCOUNTS RECEIVABLE - NET
 12 Months Ended
Dec. 31, 2021
Receivables [Abstract]  
ACCOUNTS RECEIVABLE - NET

NOTE 6. ACCOUNTS RECEIVABLE – NET

Accounts receivable consist of the following:

 

 

 

December 31

 

(in US$ thousands)

 

2020

 

 

2021

 

Accounts receivable

 

$

276

 

 

$

267

 

Less: Allowance for doubtful accounts

 

 

(1

)

 

 

(2

)

 

 

$

275

 

 

$

265

 

 

The following is a summary of the changes in our Company’s allowance for doubtful accounts during the years ended December 31, 2019, 2020 and 2021:

 

(in US$ thousands)

 

2019

 

 

2020

 

 

2021

 

Balance at beginning of year

 

$

5

 

 

$

3

 

 

$

1

 

Additions: Bad debt expense

 

 

24

 

 

 

5

 

 

 

7

 

Less: Write-off

 

 

(26

)

 

 

(7

)

 

 

(6

)

Translation adjustment

 

 

—

 

 

 

—

 

 

 

—

 

Balance at end of year

 

$

3

 

 

$

1

 

 

$

2