Note 4 - Prepaid Expenses and Other Current Assets (Tables)

12 Months Ended

Jun. 30, 2020

Notes Tables

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

	June 30,
	2020		2019
Prepaid insurance	$	95	$	38
Other prepaid expenses		273		154
Other current assets		27		27
Other receivables		31		86
Total prepaid expenses and other current assets	$	426	$	305