CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
REVENUES
Patient fee revenue – net of contractual allowances and discounts	$ 7,443	$ 5,238	$ 14,294	$ 10,330
Product sales – net	198	3	346	31
Service and repair fees – net	1,907	1,862	3,844	3,788
Service and repair fees - related parties – net	28	28	55	55
Management and other fees – net	12,108	11,340	24,081	22,554
Management and other fees - related medical practices – net	2,795	2,693	5,589	5,386
Total Revenues – Net	24,479	21,164	48,209	42,144
COSTS AND EXPENSES
Costs related to patient fee revenue	3,323	2,649	6,479	5,169
Costs related to product sales	190	192	299	325
Costs related to service and repair fees	719	608	1,443	1,234
Costs related to service and repair fees - related parties	10	9	21	18
Costs related to management and other fees	6,924	6,237	13,801	11,788
Costs related to management and other fees – related medical practices	1,690	1,522	3,326	2,950
Research and development	370	424	755	824
Selling, general and administrative	4,770	4,541	9,860	10,704
Total Costs and Expenses	17,996	16,182	35,984	33,012
Income From Operations	6,483	4,982	12,225	9,132
Other Income/(Expense)	47		858	(140)
Interest Expense	(23)	(16)	(40)	(38)
Investment Income	60	75	122	187
Income Before Provision for Income Taxes and Noncontrolling Interests	6,567	5,041	13,165	9,141
Provision for Income Taxes	(1,430)	(1,113)	(2,846)	(1,962)
Net Income	5,137	3,928	10,319	7,179
Net Income - Noncontrolling Interests	(1,117)	(817)	(2,412)	(1,560)
Net Income - Attributable to FONAR	$ 4,020	$ 3,111	$ 7,907	$ 5,619
Basic Net Income Per Common Share Available to Common Stockholders	$ 0.58	$ 0.45	$ 1.13	$ 0.82
Diluted Net Income Per Common Share Available to Common Stockholders	$ 0.57	$ 0.44	$ 1.11	$ 0.80
Weighted Average Number of Shares Outstanding, Basic	6,554	6,465	6,554	6,456
Weighted Average Diluted Shares Outstanding - Common Stockholders	6,682	6,593	6,682	6,584
Common Stock [Member]
COSTS AND EXPENSES
Net Income - Attributable to FONAR	$ 3,777	$ 2,923	$ 7,430	$ 5,281
Diluted Net Income Per Common Share Available to Common Stockholders	$ 0.57	$ 0.44	$ 1.11	$ 0.80
Weighted Average Number of Shares Outstanding, Basic	6,554	6,465	6,554	6,456
Weighted Average Diluted Shares Outstanding - Common Stockholders	6,682	6,593	6,682	6,584
Preferred Class A [Member]
COSTS AND EXPENSES
Net Income - Attributable to FONAR	$ 181	$ 140	$ 355	$ 252
Common Class C [Member]
COSTS AND EXPENSES
Net Income - Attributable to FONAR	$ 62	$ 48	$ 122	$ 86
Diluted Net Income Per Common Share Available to Common Stockholders	$ 0.16	$ 0.12	$ 0.32	$ 0.23
Basic and Diluted Income Per Share	$ 0.16	$ 0.12	$ 0.32	$ 0.23
Weighted Average Number of Shares Outstanding, Basic	383	383	383	383
Weighted Average Diluted Shares Outstanding - Common Stockholders	383	383	383	383
Weighted Average Basic and Diluted Shares Outstanding Class C Common	383	383	383	383