COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Details) (Narrative) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Sep. 30, 2020	Jun. 30, 2020
Aggregate cost	$ 6,380	$ 6,483
Net unrealized losses	1,671	1,563
Gross unrealized losses	1,903	1,703
Gross unrealized gains	233	140
Marketable equity securities	2,400	2,560
Air T, Inc. [Member]
Marketable equity securities	$ 759	$ 847

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
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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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
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Balance Type:	debit
Period Type:	instant