Condensed Consolidated Statements of Stockholders' Equity - USD ($)	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Jun. 30, 2020	7,404,831
Balance at Jun. 30, 2020	$ 37,024	$ 6,882,729	$ 8,236,345	$ 15,156,098
Net income (loss)			161,651	161,651
Stock-based compensation expense		464,032		464,032
Stock option exercises (in shares)	1,111,992
Stock option exercises	$ 5,560	3,109,897		3,115,457
Balance at Mar. 31, 2021	$ 42,584	10,456,658	8,397,996	18,897,238
Balance (in shares) at Mar. 31, 2021	8,516,823
Balance (in shares) at Dec. 31, 2020	7,447,489
Balance at Dec. 31, 2020	$ 37,237	7,281,190	8,872,164	16,190,591
Net income (loss)			(474,168)	(474,168)
Stock-based compensation expense		154,275		154,275
Stock option exercises (in shares)	1,069,334
Stock option exercises	$ 5,347	3,021,193		3,026,540
Balance at Mar. 31, 2021	$ 42,584	10,456,658	8,397,996	$ 18,897,238
Balance (in shares) at Mar. 31, 2021	8,516,823
Balance (in shares) at Jun. 30, 2021	8,608,706			8,608,706
Balance at Jun. 30, 2021	$ 43,044	10,802,118	8,729,939	$ 19,575,101
Net income (loss)			882,814	882,814
Stock-based compensation expense		382,010		382,010
Stock option exercises (in shares)	539,089
Stock option exercises	$ 2,695	1,387,651		1,390,346
Balance at Mar. 31, 2022	$ 45,739	12,571,779	9,612,753	$ 22,230,271
Balance (in shares) at Mar. 31, 2022	9,147,795			9,147,795
Balance (in shares) at Dec. 31, 2021	9,147,795
Balance at Dec. 31, 2021	$ 45,739	12,452,554	9,209,549	$ 21,707,842
Net income (loss)			403,204	403,204
Stock-based compensation expense		119,225		119,225
Balance at Mar. 31, 2022	$ 45,739	$ 12,571,779	$ 9,612,753	$ 22,230,271
Balance (in shares) at Mar. 31, 2022	9,147,795			9,147,795