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, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Net sales $ 11,716 $ 14,276 $ 36,622 $ 43,897
UNITED STATES        
Net sales 332 279 860 918
CANADA        
Net sales 149 140 450 481
PERU        
Net sales 290 608 1,099 1,752
HONG KONG        
Net sales 9,424 11,201 28,916 34,227
CHINA        
Net sales 346 501 1,313 1,596
TAIWAN        
Net sales 482 584 1,675 1,990
JAPAN        
Net sales 157 204 528 540
Malaysia and Singapore [Member]        
Net sales 96 120 316 326
Russia and Kazakhstan [Member]        
Net sales 129 199 421 622
Europe [Member]        
Net sales 188 258 693 869
Other Foreign Countries [Member]        
Net sales $ 123 $ 182 $ 351 $ 576