Note 8 - Fair Value Measurements (Tables)

6 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	Fair Value at December 31, 2019
	Total		Level 1		Level 2		Level 3
Cash and cash equivalents	$	3,180	$	3,180	$	-	$	-

	Fair Value at June 30, 2019
	Total		Level 1		Level 2		Level 3
Cash and cash equivalents	$	5,326	$	5,326	$	-	$	-