Condensed Consolidated Statements of Stockholders' Equity - USD ($)	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Jun. 30, 2019	7,404,831
Balance at Jun. 30, 2019	$ 37,024	$ 6,333,135	$ 8,701,942	$ 15,072,101
Net income (loss)			(623,835)	(623,835)
Stock-based compensation expense		428,228		428,228
Balance at Mar. 31, 2020	$ 37,024	6,761,363	8,078,107	14,876,494
Balance (in shares) at Mar. 31, 2020	7,404,831
Balance (in shares) at Dec. 31, 2019	7,404,831
Balance at Dec. 31, 2019	$ 37,024	6,618,029	8,175,480	14,830,533
Net income (loss)			(97,373)	(97,373)
Stock-based compensation expense		143,334		143,334
Balance at Mar. 31, 2020	$ 37,024	6,761,363	8,078,107	$ 14,876,494
Balance (in shares) at Mar. 31, 2020	7,404,831
Balance (in shares) at Jun. 30, 2020	7,404,831			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			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			8,516,823