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 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Net sales $ 16,152 $ 16,404 $ 29,621 $ 31,352
UNITED STATES        
Net sales 328 372 639 863
CANADA        
Net sales 170 143 341 404
PERU        
Net sales 628 238 1,144 598
HONG KONG        
Net sales [1] 12,704 13,693 23,026 25,106
CHINA        
Net sales 587 818 1,095 1,516
TAIWAN, PROVINCE OF CHINA        
Net sales 715 550 1,406 1,490
KOREA, REPUBLIC OF        
Net sales 83 41 151 168
Russia and Kazakhstan [Member]        
Net sales 232 170 423 412
Europe [Member]        
Net sales 261 255 611 488
Other Foreign Countries [Member]        
Net sales $ 444 $ 124 $ 785 $ 307
[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.