Note 11 - Segment Information (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

	Three Months Ended March 31,
	2021			2020
Net sales:
Primary Reporting Segment	$	12,770		$	14,008
China		508			698
Russia and Kazakhstan		191			242
Total net sales	$	13,469		$	14,948
Income (loss) from operations:
Primary Reporting Segment	$	2,699		$	1,315
China		(7	)		(83	)
Russia and Kazakhstan		(48	)		(82	)
Total income (loss) from operations for reportable segments		2,644			1,150
Unallocated corporate expenses		(2,424	)		(2,598	)
Other income, net		20			93
Income (loss) before income taxes	$	240		$	(1,355	)

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	Three Months Ended March 31,
	2021		2020
Net sales from external customers:
United States	$	311	$	491
Canada		171		261
Peru		516		360
Hong Kong1		10,322		11,413
China		508		698
Taiwan		691		940
South Korea		68		127
Russia and Kazakhstan		191		242
Europe		350		233
Other foreign countries		341		183
Total net sales	$	13,469	$	14,948