Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Financial Instruments and Fair Value Measurements - Liabilities measured at FV (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jun. 30, 2019
Interest rate swap
Financial instruments and fair value measurements
Notional amount		$ 20,000
Recurring basis
Financial instruments and fair value measurements
Liabilities	$ 336
Recurring basis \| Interest rate swap
Financial instruments and fair value measurements
Derivative liabilities	336
Recurring basis \| Level 2
Financial instruments and fair value measurements
Liabilities	336
Recurring basis \| Level 2 \| Interest rate swap
Financial instruments and fair value measurements
Derivative liabilities	336
Recurring basis \| Level 2 \| Interest rate swap \| Other liabilities
Financial instruments and fair value measurements
Derivative liabilities	$ 300