Interim Financial Reporting (Details) - USD ($)	3 Months Ended				6 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Net revenues	$ 8,546,942		$ 8,012,487		$ 16,849,440	$ 15,288,370
Cost of revenues	1,871,434		1,950,040		3,831,584	3,683,039
Gross profit	6,675,508		6,062,447		13,017,856	11,605,331
Operating expenses
Selling, general and administrative	4,965,053		5,149,613		9,859,858	10,422,598
Research and development	143,477		237,838		242,414	306,028
Total operating expenses	5,108,530		5,387,451		10,102,272	10,728,626
Operating income	1,566,978		674,996		2,915,584	876,705
Interest income (expense), net	37,078		16,521		77,028	29,974
Net income before income taxes	1,604,056		691,517		2,992,612	906,679
Income tax expense	419,000		311,000		793,000	369,000
Net income	$ 1,185,056	$ 1,014,556	$ 380,517	$ 157,161	$ 2,199,612	$ 537,679
Income per share:
Basic	$ 0.14		$ 0.05		$ 0.26	$ 0.06
Diluted	$ 0.14		$ 0.04		$ 0.25	$ 0.06
Cash Flows From Operating Activities
Net income	$ 1,185,056	$ 1,014,556	$ 380,517	$ 157,161	$ 2,199,612	$ 537,679
Changes in operating assets and liabilities:
Prepaid expenses and other assets					76,213	513,702
Accounts payable and accrued liabilities					(427,390)	(331,168)
Assets
Other assets	122,057				122,057		$ 45,044	$ 45,044
Liabilities and Shareholders' Equity
Current maturities of long-term debt	82,938				82,938		30,320	30,320
Other long-term liabilities	39,628				39,628		14,737	14,737
Retained earnings	$ 11,721,676				$ 11,721,676		$ 9,522,064	9,522,064
Effect of Adoption [Member]
Operating expenses
Selling, general and administrative			(2,781)			(5,550)
Research and development
Total operating expenses			(2,781)			(5,550)
Operating income			2,781			5,550
Interest income (expense), net
Net income before income taxes			2,781			5,550
Income tax expense
Net income			$ 2,781			$ 5,550
Income per share:
Basic			$ 0			$ 0
Diluted			$ 0			$ 0
Cash Flows From Operating Activities
Net income			$ 2,781			$ 5,550
Changes in operating assets and liabilities:
Prepaid expenses and other assets						91,838
Accounts payable and accrued liabilities						(97,388)
Assets
Other assets								45,044
Liabilities and Shareholders' Equity
Current maturities of long-term debt								30,320
Other long-term liabilities								14,737
Retained earnings								(12)
As Previously Reported[Member]
Net revenues			8,012,487			15,288,370
Cost of revenues			1,950,040			3,683,039
Gross profit			6,062,447			11,605,331
Operating expenses
Selling, general and administrative			5,152,394			10,428,148
Research and development			237,838			306,028
Total operating expenses			5,390,232			10,734,176
Operating income			672,215			871,155
Interest income (expense), net			16,521			29,974
Net income before income taxes			688,736			901,129
Income tax expense			311,000			369,000
Net income			$ 377,736			$ 532,129
Income per share:
Basic			$ 0.05			$ 0.06
Diluted			$ 0.04			$ 0.06
Cash Flows From Operating Activities
Net income			$ 377,736			$ 532,129
Changes in operating assets and liabilities:
Prepaid expenses and other assets						421,864
Accounts payable and accrued liabilities						$ (233,780)
Assets
Other assets
Liabilities and Shareholders' Equity
Other long-term liabilities
Retained earnings								$ 9,522,076