Note 3 - Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three months ended June 30,
			% of					% of
	2024		Revenue			2023		Revenue
Data Center	$	34,352		79.4	%	$	27,571		66.2	%
CATV		5,818		13.4	%		9,343		22.5	%
Telecom		2,379		5.5	%		4,231		10.2	%
FTTH		—		0.0	%		55		0.1	%
Other		721		1.7	%		415		1.0	%
Total Revenue	$	43,270		100.0	%	$	41,615		100.0	%

	Six months ended June 30,
			% of					% of
	2024		Revenue			2023		Revenue
Data Center	$	63,338		75.5	%	$	47,924		50.6	%
CATV		14,554		17.3	%		37,123		39.2	%
Telecom		4,648		5.5	%		7,938		8.4	%
FTTH		—		0.0	%		57		0.1	%
Other		1,403		1.7	%		1,603		1.7	%
Total Revenue	$	83,943		100.0	%	$	94,645		100.0	%

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

	Three months ended June 30,				Six months ended June 30,
	2024		2023		2024		2023
Unearned Revenue, beginning of period	$	1,689	$	2,763	$	1,803	$	3,000
Additional Unearned Revenue		—		9,884		—		9,884
Revenue recognized		119		927		233		1,164
Unearned Revenue, end of period	$	1,570	$	11,720	$	1,570	$	11,720