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, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Net sales $ 13,360 $ 16,152 $ 24,906 $ 29,621
UNITED STATES        
Net sales 272 328 528 639
CANADA        
Net sales 164 170 301 341
PERU        
Net sales 327 628 809 1,144
HONG KONG        
Net sales 10,716 12,704 19,492 23,026
CHINA        
Net sales 486 587 967 1,095
TAIWAN        
Net sales 624 715 1,193 1,406
JAPAN        
Net sales 136 187 371 336
Malaysia and Singapore [Member]        
Net sales 95 131 220 206
Russia and Kazakhstan [Member]        
Net sales 104 232 292 423
Europe [Member]        
Net sales 304 261 505 611
Other Foreign Countries [Member]        
Net sales $ 132 $ 209 $ 228 $ 394