Fair Value (Tables)

9 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis

At March 31, 2018 and June 30, 2017, our assets and liabilities measured at fair value on a recurring basis were as follows:

	March 31, 2018								June 30, 2017
	Fair Value Measurements Using Input Types								Fair Value Measurements Using Input Types
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
	(in thousands)
Assets
Money market funds (cash and cash equivalents)	$	100	$	—	$	—	$	100	$	593	$	—	$	—	$	593
Available for sale securities - Debt
U.S. Corporate	$	—	$	3,489	$	—	$	3,489	$	—	$	1,906	$	—	$	1,906
Government - U.S.		—		6,469		—		6,469		—		—		—		—
Total available for sale securities	$	—	$	9,958	$	—	$	9,958	$	—	$	1,906	$	—	$	1,906
Short-term derivative interest rate swap	$	—	$	169	$	—	$	169	$	—	$	—	$	—	$	—
Long-term derivative interest rate swap	$	—	$	1,830	$	—	$	1,830	$	—	$	—	$	—	$	—

Marketable Securities by Major Security Type

The table below presents information regarding our marketable securities by major security type as of March 31, 2018 and June 30, 2017.

	March 31, 2018						June 30, 2017
	Held to Maturity		Available for Sale		Total		Held to Maturity		Available for Sale		Total
	(in thousands)
Marketable securities:
Corporate and other debt securities	$	67	$	9,958	$	10,025	$	67	$	1,906	$	1,973
Total marketable securities	$	67	$	9,958	$	10,025	$	67	$	1,906	$	1,973

Estimated Fair Value of Our Investments in Available for Sale Marketable Securities Classified

The following table summarizes the estimated fair value of our investments in available for sale marketable securities classified by the contractual maturity date of the securities:

	March 31, 2018
	(in thousands)
Due within 1 year	$	9,958
Due in 1 year through 5 years		—
Total	$	9,958

Summary of Gross Unrealized Losses and Fair Values of Available for Sale Investments

The following table presents the aggregate fair values and gross unrealized losses for those available for sale investments that were in an unrealized loss position as of March 31, 2018 and June 30, 2017, aggregated by investment category and the length of time that individual securities have been in a continuous loss position:

	At March 31, 2018					At June 30, 2017
	Less than 12 Months
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
	(in thousands)
U.S. Corporate	$	3,489	$	(2	)	$	1,628	$	(1	)
Government—U.S.		6,469		(9	)		—		—
Total	$	9,958	$	(11	)	$	1,628	$	(1	)