Note 5 - Inventory (Tables)

3 Months Ended

Sep. 30, 2018

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	September 30,		June 30,
	2018		2018
Raw materials	$	348	$	371
Work in process		102		96
Finished goods		37		27
Total inventory, current	$	487	$	494

Schedule of Inventory, Noncurrent [Table Text Block]

	September 30,		June 30,
	2018		2018
Enriched barium, non-current	$	272	$	276
Raw materials, non-current		44		43
Total inventory, non-current	$	316	$	319