Discontinued Operations - Summary of Assets and Liabilities Held for Sale (Details) - USD ($)	Dec. 31, 2023	Jun. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current operating lease liabilities	$ 331,000	$ 334,000
Long-term operating lease liabilities	0	0
Life Sciences And Engineering Segment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Receivables - net	1,460,000	1,659,000
Inventory	111,000	125,000
Prepaid expense and other assets	125,000	136,000
Property, plant and equipment, net	5,371,000	5,564,000
Right of use assets	232,000	246,000
Noncurrent assets	3,000	2,000
Total assets held for sale	5,328,000	7,732,000
Accounts payable	1,249,000	783,000
Accrued payroll and related taxes	361,000	361,000
Current operating lease liabilities	61,000	61,000
Other accrued expenses	24,000	121,000
Impairment reserve	1,974	0
Long-term operating lease liabilities	144,000	192,000
Total liabilities held for sale	$ 1,839,000	$ 1,518,000