Note 2 - Significant Accounting Policies (Tables)

6 Months Ended

Sep. 30, 2020

Notes Tables

Disaggregation of Revenue [Table Text Block]

($ in thousands)	Three Months Ended September 30, 2020		Three Months Ended September 30, 2019
Packaged sales
Astaxanthin packaged	$	4,138	$	4,747
Spirulina packaged		2,126		1,731
Total packaged sales		6,264		6,478
Bulk sales
Astaxanthin bulk		463		328
Spirulina bulk		1,684		744
Total bulk sales		2,147		1,072
Contract extraction revenue		160		140
Total net sales	$	8,571	$	7,690

($ in thousands)	Six Months Ended September 30, 2020		Six Months Ended September 30, 2019
Packaged sales
Astaxanthin packaged	$	7,380	$	9,357
Spirulina packaged		3,968		3,645
Total packaged sales		11,348		13,002
Bulk sales
Astaxanthin bulk		882		502
Spirulina bulk		3,214		1,977
Total bulk sales		4,096		2,479
Contract extraction revenue		479		280
Total net sales	$	15,923	$	15,761