Note 1 - Nature of Business, Financial Condition, Basis of Presentation (Details Textual) $ in Thousands		3 Months Ended						9 Months Ended
	Jan. 06, 2023	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)
Number of Operating Segments		2
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents		$ 19,800						$ 19,800
Accounts Receivable, after Allowance for Credit Loss, Current		29,925						29,925		$ 28,937
Net Income (Loss) Attributable to Parent		(2,887)	$ (220)	$ (8,120)	$ (7,200)	$ (6,693)	$ (701)	(11,227)	$ (14,594)
Retained Earnings (Accumulated Deficit)		(315,356)						(315,356)		$ (304,129)
Net Cash Provided by (Used in) Operating Activities								(600)	$ (14,494)
Avenue Note [Member]
Debt Instrument, Face Amount		15,000						15,000
Debt Instrument, Face Amount		$ 15,000						$ 15,000
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	20