Note 5 - Inventory (Tables)

9 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	March 31,		June 30,
	2018		2017
Raw materials	$	287	$	191
Work in process		153		121
Finished goods		18		11
Total inventory, current	$	458	$	323

Schedule of Inventory, Noncurrent [Table Text Block]

	March 31,		June 30,
	2018		2017
Enriched barium, non-current	$	347	$	470
Raw materials, non-current		48		43
Total inventory, non-current	$	395	$	513