Note C - Property and Equipment (Details Textual) $ in Thousands		3 Months Ended
Aug. 20, 2021 USD ($) ft²	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)
Payments to Acquire Property, Plant, and Equipment, Total		$ 18,344	$ 1,479
Manufacturing Facility and Warehouse [Member] \| Carlsbad, California [Member]
Payments to Acquire Property, Plant, and Equipment, Total	$ 17,500
Area of Real Estate Property (Square Foot) \| ft²	54,154

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration