Quarterly report [Sections 13 or 15(d)]

Note 11 - Segment Information - Net Sales by Geographic Area (Details)

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Note 11 - Segment Information - Net Sales by Geographic Area (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Net sales $ 10,737 $ 10,951
UNITED STATES    
Net sales 286 262
CANADA    
Net sales 101 111
Peru and Colombia [Member]    
Net sales 249 220
HONG KONG    
Net sales [1] 9,123 9,174
CHINA    
Net sales 234 384
TAIWAN    
Net sales 322 337
JAPAN    
Net sales 64 66
Malaysia and Singapore [Member]    
Net sales 50 53
Russia and Kazakhstan [Member]    
Net sales 97 101
Europe [Member]    
Net sales 150 152
Other Foreign Countries [Member]    
Net sales $ 61 $ 91
[1] Substantially all of our Hong Kong revenues are derived from the sale of products that are delivered to members in China. See “Item 1A. Risk Factors” in this report and in our most recent Annual Report on Form 10-K.