COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Details) (Narrative) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Mar. 31, 2020	Jun. 30, 2019
Aggregate cost	$ 5,592	$ 3,780
Net unrealized losses	1,162	549
Gross unrealized losses	1,384
Gross unrealized gains	222
Marketable equity securities	2,771	2,649
Air T, Inc. [Member]
Marketable equity securities	$ 930	$ 938

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(4))
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(g))
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02(2))
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