Fair Value Measurement (Tables)

3 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Schedule of fair value of financial instruments

The following tables present the carrying amounts, estimated fair values, and valuation input levels of certain financial instruments as of September 30, 2017, and June 30, 2017: 

	September 30, 2017
	Carrying		Fair Value Measured Using						Fair
(in thousands)	Amount		Level 1		Level 2		Level 3		Value
Available-for-Sale Securities
Mutual Funds - Corporate & Government Debt	$	8,158	$	8,158	$	—	$	—	$	8,158
Bonds: 0-1 year	1,654		—		1,654		—		1,654
Bonds: 1-3 years	881		—		881		—		881
Time deposits: 91-360 days	250		—		250		—		250
Time deposits: over 360 days	547		—		547		—		547
Total	$	11,490	$	8,158	$	3,332	$	—	$	11,490

	June 30, 2017
	Carrying		Fair Value Measured Using						Fair
(in thousands)	Amount		Level 1		Level 2		Level 3		Value
Available-for-Sale Securities
Mutual Funds - Corporate & Government Debt	$	9,043	$	9,043	$	—	$	—	$	9,043
Bonds: 0-1 year	1,607		—		1,607		—		1,607
Bonds: 1-3 years	1,441		—		1,441		—		1,441
Time deposits: 91-360 days	250		—		250		—		250
Time deposits: over 360 days	549		—		549		—		549
Total	$	12,890	$	9,043	$	3,847	$	—	$	12,890