Discontinued Operations - Details of statements of operations from discontinued operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Net Revenues	$ 8,555	$ 7,449
Costs and Expenses [Abstract]
Salaries, wages and benefits	2,617	2,523
Supplies	34	30
Other operating expenses	906	533
Rent and lease expense	91	92
Depreciation and amortization	300	269
Operating Loss	(450)	(617)
Other Income (Expense):
Interest income (expense), net	22	(0)
Loss from Discontinued Operations before income taxes	(426)	(605)
Income Tax Expense	2	(0)
Loss from Discontinued Operations, net of tax	(916)	(953)
Life Sciences And Engineering Segment [Member]
Net Revenues	2,672	3,600
Costs and Expenses [Abstract]
Salaries, wages and benefits	1,898	2,807
Supplies	289	306
Purchased services	706	799
Other operating expenses	528	573
Rent and lease expense	34	26
Depreciation and amortization	133	99
Operating Loss	(916)	(1,010)
Other Income (Expense):
Federal Stimulus Provider Relief Funds	0	(61)
Interest income (expense), net	0	4
Loss from Discontinued Operations before income taxes	(916)	(953)
Income Tax Expense	0	0
Loss from Discontinued Operations, net of tax	$ (916)	$ (953)