Note 2 - Revenues - Disaggregation of Revenue (Details) - USD ($)	3 Months Ended	6 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Net revenues	$ 18,897,000	$ 16,255,000	$ 35,784,000	$ 30,923,000
Homecare [Member]
Net revenues	17,274,000	14,593,000	32,163,000	27,804,000
Homecare [Member] \| Third-Party Payer, Commercial [Member]
Net revenues	7,985,000	7,327,000	15,156,000	14,178,000
Homecare [Member] \| Third-Party Payer, Medicare [Member]
Net revenues	6,924,000	5,478,000	12,588,000	10,245,000
Homecare [Member] \| Third-Party Payer, Medicare Supplemental [Member]
Net revenues	1,660,000	1,388,000	3,059,000	2,499,000
Homecare [Member] \| Third-Party Payer, Medicaid [Member]
Net revenues	423,000	196,000	778,000	438,000
Homecare [Member] \| Third-Party, Other [Member]
Net revenues	282,000	204,000	582,000	444,000
Hospital [Member]
Net revenues	655,000	723,000	1,702,000	1,413,000
Homecare Distributor [Member]
Net revenues	905,000	807,000	1,734,000	1,394,000
Other Customer [Member]
Net revenues	$ 63,000	$ 132,000	$ 185,000	$ 312,000