Basis of Presentation and Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Cash and cash equivalents	$ 326,000	$ 484,000
Restricted cash	$ 50,000	$ 50,000
Anti-dilutive securities	670,200	503,566
Other receivables contract manufacturer	$ 139,000
Cash and cash equivalents in excess of federally insured limits	$ 13,000	$ 160,000
Percentage of collective bargaining agreement scheduled to expire	40.00%
Minimum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Renew and extend term of lease	two years
Minimum [Member] | Intangible Assets [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Property, Plant and Equipment, Useful Life	3 months
Maximum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Renew and extend term of lease	five years
Maximum [Member] | Intangible Assets [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Property, Plant and Equipment, Useful Life	20 years
Building and Building Improvements [Member] | Minimum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Building and Building Improvements [Member] | Maximum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Property, Plant and Equipment, Useful Life	31 years
Machinery, office equipment, computer equipment and software and vehicles [Member] | Minimum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Machinery, office equipment, computer equipment and software and vehicles [Member] | Maximum [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Property, Plant and Equipment, Useful Life	7 years
Accounts Receivable [Member] | Customer Concentration Risk [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of major customers	1
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Major Customer One [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Concentration risk, percentage	10.50%