Consolidated Statements Of Cash Flows - USD ($)	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows from Operating Activities:
Net loss	$ (650,280)	$ (250,016)
Adjustments to reconcile net loss to net cash used in operating activities:
Recovery of allowance of doubtful accounts	0	(5,450)
Increase in accounts receivable allowance	12,008	0
Depreciation and amortization	50,084	50,139
Non cash lease expense	342,058	0
Intangible assets impairment	605,006	0
Non cash post-retirement benefits adjustment	(758,021)	0
Change in operating assets and liabilities:
Accounts receivable	171,162	(103,522)
Inventories	93,830	(55,446)
Other current assets	68,885	(25,373)
Other long-term assets	(10,874)	0
Accounts payable	94,111	137,666
Accrued expenses	94,929	(105,325)
Accrued post-retirement benefits (related party)	(33,964)	(59,386)
Change in operating lease liability	(344,608)	0
Deferred revenue	89,250	(54,377)
Liabilities of discontinued operations	(943)	(1,599)
Other long-term liabilities	8,872	0
Net cash used in operating activities	(168,495)	(472,689)
Cash Flows from Investing Activities:
Purchase of equipment	(59,751)	(22,117)
Net cash used in investing activities	(59,751)	(22,117)
Net Cash provided by (used in) Financing Activities:
Repayment of note payable	(3,393)	(2,893)
Proceeds from line of credit	0	36,575
Net cash provided by financing activities	646,607	33,682
Net increase (decrease) in cash, cash equivalents and restricted cash	418,361	(461,124)
Cash, cash equivalents and restricted cash	1,081,239	662,878
Cash and cash equivalents, beginning of period	825,958	409,743
Restricted Cash	255,281	253,135
Cash, cash equivalent and restricted cash, end of period	1,081,239	662,878
Supplemental Schedule of Cash Flow Information:
Interest Paid, Excluding Capitalized Interest, Operating Activities	15,387	44,315
Payroll Protection Program Loan [Member]
Net Cash provided by (used in) Financing Activities:
Proceeds from Notes Payable	500,000	0
Small Business Association Loan [Member]
Net Cash provided by (used in) Financing Activities:
Proceeds from Notes Payable	$ 150,000	$ 0