Note 10 - CUSTOMER AND GEOGRAPHIC INFORMATION (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

The Company had revenues from individual customers that are approximately 10% or more of the Company’s consolidated total revenues as follows:

	Three Months Ended March 31,
Customer	2022		2021
A	*	%	13	%
D	33	%	*	%
E	*	%	11	%

* represents less than 10%

Gross accounts receivable balances (including amounts that are unbilled) from individual customers that are approximately 10% or more of the Company’s gross accounts receivable balance as follows:

	March 31,		December 31,
Customer	2022		2021
C	*	%	15	%
D	43	%	29	%

* represents less than 10%

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

Revenues from customers by geographic area based on the location of the customers’ work sites are as follows (amounts in thousands):

	Three Months Ended March 31,
	2022				2021
			Percentage				Percentage
	Revenues		of Revenues		Revenues		of Revenues
United States	$	17,491	52	%	$	8,556	35	%
China		4,120	12			1,739	7
Japan		2,607	8			3,578	15
Rest of the world		9,280	28			10,327	43
Total revenue	$	33,498	100	%	$	24,200	100	%

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

	March 31,		December 31,
	2022		2021
United States (1)	$	40,602	$	39,158
Rest of the world		721		1,545
Total long-lived assets, net	$	41,323	$	40,703

(1) Includes assets deployed at customer sites which could be outside the U.S.