CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Net Income (Loss) Attributable to Parent	$ 1,872	$ 3,860	$ 9,737	$ 8,139
Weighted Average Number of Shares Outstanding, Basic	6,335	6,481	6,410	6,487
Common Stockholders [Member]
Net Income (Loss) Attributable to Parent	$ 1,755	$ 3,627	$ 9,130	$ 7,647
Basic Net Income Per Common Share Available to Common Stockholders	$ 0.28	$ 0.56	$ 1.42	$ 1.18
Diluted Net Income Per Common Share Available to Common Stockholders	$ 0.27	$ 0.55	$ 1.40	$ 1.16
Weighted Average Number of Shares Outstanding, Basic	6,335	6,481	6,410	6,487
Weighted Average Diluted Shares Outstanding - Common Stockholders	6,463	6,609	6,538	6,615
Class A Non Voting Preferred Stockholders [Member]
Net Income (Loss) Attributable to Parent	$ 87	$ 174	$ 452	$ 367
Common Class C [Member]
Net Income (Loss) Attributable to Parent	$ 30	$ 59	$ 155	$ 125
Basic Net Income Per Common Share Available to Common Stockholders	$ 0.08	$ 0.16	$ 0.40	$ 0.33
Diluted Net Income Per Common Share Available to Common Stockholders	$ 0.08	$ 0.16	$ 0.40	$ 0.33
Weighted Average Number of Shares Outstanding, Basic	383	383	383	383
Weighted Average Diluted Shares Outstanding - Common Stockholders	383	383	383	383