Consolidated Statements Of Cash Flows - USD ($)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash Flows from Operating Activities:
Net loss	$ (52,023)	$ (650,280)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Increase in accounts receivable allowance	10,000	12,008
Depreciation and amortization	44,812	50,084
Non cash lease expense	274,615	342,058
Intangible assets impairment	0	605,006
Non cash post-retirement benefits adjustment	0	(758,021)
Change in operating assets and liabilities:
Accounts receivable	221,233	171,162
Inventories	368,303	93,830
Other current assets	(33,164)	68,885
Other long-term assets	0	(10,874)
Accounts payable	341,504	94,111
Accrued expenses	14,506	94,929
Accrued post-retirement benefits (related party)	0	(33,964)
Change in operating lease liability	(276,833)	(344,608)
Deferred revenue	(152,353)	89,250
Other short-term and long-term liabilities	78,105	7,929
Net cash provided by (used in) operating activities	838,705	(168,495)
Cash Flows from Investing Activities:
Purchase of equipment	(9,390)	(59,751)
Payments to Acquire Intangible Assets	0
Net cash used in investing activities	(9,390)	(59,751)
Net Cash provided by (used in) Financing Activities:
Repayment of note payable	(3,664)	(3,393)
Proceeds from line of credit	0	0
Net cash (used in) provided by financing activities	(3,664)	646,607
Net increase in cash, cash equivalents and restricted cash	825,651	418,361
Cash, cash equivalents and restricted cash, beginning of year	1,081,239	662,878
Cash, cash equivalents and restricted cash, end of year	1,906,890	1,081,239
Payroll Protection Program Loan [Member]
Net Cash provided by (used in) Financing Activities:
Proceeds from Notes Payable	0	500,000
Small Business Association Loan [Member]
Net Cash provided by (used in) Financing Activities:
Proceeds from Notes Payable	$ 0	$ 150,000