Note 2 - Revenues - Disaggregation of Revenue (Details) - USD ($)	3 Months Ended	9 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Net revenues	$ 18,575,000	$ 15,684,000	$ 54,359,000	$ 46,607,000
Homecare [Member]
Net revenues	16,732,000	14,102,000	48,895,000	41,906,000
Homecare [Member] \| Third-Party Payer, Commercial [Member]
Net revenues	8,190,000	7,151,000	23,346,000	21,329,000
Homecare [Member] \| Third-Party Payer, Medicare [Member]
Net revenues	6,447,000	5,126,000	19,035,000	15,371,000
Homecare [Member] \| Third-Party Payer, Medicare Supplemental [Member]
Net revenues	1,559,000	1,314,000	4,618,000	3,813,000
Homecare [Member] \| Third-Party Payer, Medicaid [Member]
Net revenues	256,000	238,000	1,034,000	676,000
Homecare [Member] \| Third-Party, Other [Member]
Net revenues	280,000	273,000	862,000	717,000
Hospital [Member]
Net revenues	1,032,000	724,000	2,734,000	2,137,000
Homecare Distributor [Member]
Net revenues	715,000	696,000	2,449,000	2,090,000
Other Customer [Member]
Net revenues	$ 96,000	$ 162,000	$ 281,000	$ 474,000