Note 3 - Inventories (Tables)

6 Months Ended

Sep. 30, 2019

Notes Tables

Schedule Of Inventory [Table Text Block]

	Current		Long Term		Total
Raw materials	$	335,374	$	84,721	$	420,095
Finished goods		37,300		736		38,036
Totals	$	372,674	$	85,457	$	458,131

	Current		Long Term		Total
Raw materials	$	273,039	$	84,721	$	357,760
Finished goods		53,269		736		54,005
Totals	$	326,308	$	85,457	$	411,765