Statements of Operations - USD ($)	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
REVENUES
Product sales - net	$ 602,541	$ 1,572,148	$ 1,276,882
Service and repair fees - net	9,124,728	9,537,040	9,396,736
Service and repair fees - related parties - net	110,000	110,000	110,000
Patient fee revenue, net of contractual allowances and discounts	39,165,413	36,400,600	32,985,809
Provision for bad debts for patient fee	(17,896,528)	(16,171,434)	(14,539,786)
Management and other fees - net	41,422,958	38,361,514	36,633,230
Management and other fees - related party medical practices - net	8,986,882	8,226,718	7,505,339
Total Revenues - Net	81,515,994	78,036,586	73,368,210
COSTS AND EXPENSES
Costs related to product sales	751,221	931,501	1,254,328
Costs related to service and repair fees	3,212,527	2,996,736	2,148,143
Costs related to service and repair fees -related parties	38,728	34,564	25,147
Costs related to patient fee revenue	10,256,951	8,987,673	9,418,935
Costs related to management and other fees	22,778,202	20,828,581	21,949,583
Costs related to management and other fees - related medical practices	4,913,141	4,273,370	4,074,762
Research and development	1,755,747	1,480,670	1,631,846
Selling, general and administrative, inclusive of compensatory element of stock issuances of $0, $2,397,276 and $2,006 for the years ended June 30, 2018, 2017 and 2016, respectively	18,125,266	19,407,411	18,509,850
Total Costs and Expenses	61,831,783	58,940,506	59,012,594
INCOME
Income from Operations	19,684,211	19,096,080	14,355,616
Other Income and (Expenses):
Interest expense	(160,074)	28,299	(262,193)
Investment income	262,569	193,141	224,263
Other (expense) income - net	(4,271)	(1,156)	190,560
Income before benefit for income taxes and noncontrolling interests	19,782,435	19,316,364	14,508,246
Benefit for Income Taxes	(5,669,750)	(4,362,434)	(4,287,271)
Net Income	25,452,185	23,678,798	18,795,517
Net Income - Noncontrolling Interests	(4,221,383)	(4,058,177)	(3,070,892)
Net Income - Attributable to FONAR	21,230,802	19,620,621	15,724,625
Common Shares
Other Income and (Expenses):
Net Income - Attributable to FONAR	$ 19,899,823	$ 18,390,586	$ 14,702,834
Basic Net Income Per Common Share	$ 3.16	$ 2.98	$ 2.43
Diluted Net Income Per Common Share	$ 3.1	$ 2.92	$ 2.38
Weighted Average Basic Shares Outstanding - Common Stockholders	6,287,510	6,161,599	6,050,893
Weighted Average Diluted Shares Outstanding - Common Stockholders	6,415,014	6,289,103	6,178,397
Class A Non Voting Preferred Stock
Other Income and (Expenses):
Net Income - Attributable to FONAR	$ 992,005	$ 916,769	$ 761,561
Class C Common Stock
Other Income and (Expenses):
Net Income - Attributable to FONAR	$ 338,974	$ 313,266	$ 260,230
Basic Net Income Per Common Share	$ 0.89	$ 0.82	$ 0.68
Diluted Net Income Per Common Share	$ 0.89	$ 0.82	$ 0.68
Weighted Average Basic Shares Outstanding - Common Stockholders	382,513	382,513	382,513
Weighted Average Diluted Shares Outstanding - Common Stockholders	382,513	382,513	382,513