Goodwill and Intangible Assets (Details) - Schedule of intangible assets all in the life sciences products segment $ in Thousands	9 Months Ended
	Apr. 30, 2022 USD ($)
Schedule of intangible assets all in the life sciences products segment [Abstract]
Gross, beginning balance	$ 27,775
Accumulated Amortization, beginning balance	(27,531)
Net, Beginning Balance	244
Amortization expense, Gross
Amortization expense, Accumulated Amortization	(210)
Amortization expense, Net	(210)
Foreign currency translation, Gross	(534)
Foreign currency translation, Accumulated Amortization	529
Foreign currency translation, Net	(5)
Gross, ending balance	27,241
Accumulated Amortization, ending balance	(27,212)
Net, Ending balance	$ 29