Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Segment Information - Net Sales by Geographic Area (Details)

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Note 10 - Segment Information - Net Sales by Geographic Area (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Net sales $ 14,124 $ 17,023 $ 45,476 $ 59,779
UNITED STATES        
Net sales 338 551 1,202 1,607
CANADA        
Net sales 132 313 536 808
PERU        
Net sales 357 581 954 1,938
HONG KONG        
Net sales [1] 11,132 13,575 36,238 48,465
CHINA        
Net sales 640 525 2,156 2,138
TAIWAN, PROVINCE OF CHINA        
Net sales 771 649 2,261 2,340
KOREA, REPUBLIC OF        
Net sales 52 98 220 288
Russia and Kazakhstan [Member]        
Net sales 190 244 602 662
Europe [Member]        
Net sales 259 343 747 1,017
Other Foreign Countries [Member]        
Net sales $ 253 $ 144 $ 560 $ 516
[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.