Annual report [Section 13 and 15(d), not S-K Item 405]

Note 13 - Segment Information - Net Sales by Geographic Area (Details)

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Note 13 - Segment Information - Net Sales by Geographic Area (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Net sales $ 39,776 $ 42,963
UNITED STATES    
Net sales 1,153 1,044
CANADA    
Net sales 475 535
Peru and Colombia [Member]    
Net sales 1,205 1,101
HONG KONG    
Net sales [1] 32,671 35,106
CHINA    
Net sales 946 1,580
TAIWAN    
Net sales 1,542 1,591
JAPAN    
Net sales 333 292
Russia and Kazakhstan [Member]    
Net sales 444 490
Europe [Member]    
Net sales 530 635
Other Foreign Countries [Member]    
Net sales $ 477 $ 589
[1] Substantially all of the Company's Hong Kong revenues are derived from the sale of products that are delivered to members in China. See “Item 1A. Risk Factors.”