Note 2 - Significant Accounting Policies (Tables)

6 Months Ended

Sep. 30, 2022

Notes Tables

Disaggregation of Revenue [Table Text Block]

($ in thousands)	Three Months Ended September 30, 2022		Three Months Ended September 30, 2021
Packaged sales
Astaxanthin packaged	$	2,854	$	4,015
Spirulina packaged		1,061		1,796
Total packaged sales		3,915		5,811
Bulk sales
Astaxanthin bulk		333		509
Spirulina bulk		784		2,985
Total bulk sales		1,117		3,494
Contract extraction revenue		147		114
Total net sales	$	5,179	$	9,419

($ in thousands)	Six Months Ended September 30, 2022		Six Months Ended September 30, 2021
Packaged sales
Astaxanthin packaged	$	6,379	$	8,054
Spirulina packaged		2,572		4,538
Total packaged sales		8,951		12,592
Bulk sales
Astaxanthin bulk		827		914
Spirulina bulk		1,877		4,569
Total bulk sales		2,704		5,483
Contract extraction revenue		240		308
Total net sales	$	11,895	$	18,383