Quarterly report pursuant to Section 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, 2021
Mar. 31, 2020
Net sales $ 13,469 $ 14,948
UNITED STATES    
Net sales 311 491
CANADA    
Net sales 171 261
PERU    
Net sales 516 360
HONG KONG    
Net sales [1] 10,322 11,413
CHINA    
Net sales 508 698
TAIWAN, PROVINCE OF CHINA    
Net sales 691 940
KOREA, REPUBLIC OF    
Net sales 68 127
Russia and Kazakhstan [Member]    
Net sales 191 242
Europe [Member]    
Net sales 350 233
Other Foreign Countries [Member]    
Net sales $ 341 $ 183
[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.