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 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Net sales $ 14,276 $ 14,124 $ 43,897 $ 45,476
UNITED STATES        
Net sales 279 338 918 1,202
CANADA        
Net sales 140 132 481 536
PERU        
Net sales 608 357 1,752 954
HONG KONG        
Net sales [1] 11,201 11,132 34,227 36,238
CHINA        
Net sales 501 640 1,596 2,156
TAIWAN, PROVINCE OF CHINA        
Net sales 584 771 1,990 2,261
KOREA, REPUBLIC OF        
Net sales 51 52 202 220
Russia and Kazakhstan [Member]        
Net sales 199 190 622 602
Europe [Member]        
Net sales 258 259 869 747
Other Foreign Countries [Member]        
Net sales $ 455 $ 253 $ 1,240 $ 560
[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.