COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Details) (Narrative) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Sep. 30, 2019	Jun. 30, 2019
Aggregate cost	$ 5,038	$ 3,780
Net unrealized losses	(57)	(549)
Gross unrealized losses	206
Gross unrealized gains	149
Marketable equity securities	3,127	2,649
Air T, Inc. [Member]
Marketable equity securities	$ 1,341	$ 938

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

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-Name Accounting Standards Codification
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-Section S99
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant