4. Segment Information and Concentrations (Details) (USD $)	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Depreciation and Amortization	$ 44,300	$ 47,100
Benchtop Laboratory Equipment
Net Sales	1,064,900	1,075,200
Foreign Sales	621,700	608,700
Profit (Loss)	117,600	135,800
Assets	2,556,900	2,621,100
Long-lived Asset Expenditures	2,100	8,200
Depreciation and Amortization	11,100	11,800
Catalyst Research Instruments
Net Sales	284,200	465,800
Foreign Sales	239,200	112,600
Profit (Loss)	(134,300)	(58,600)
Assets	987,000	1,078,300
Long-lived Asset Expenditures	17,400	46,700
Depreciation and Amortization	9,300	35,300
Bioprocessing Systems
Net Sales	2,600	0
Foreign Sales	0	0
Profit (Loss)	(75,000)	0
Assets	801,000	0
Long-lived Asset Expenditures	0	0
Depreciation and Amortization	23,900	0
Corporate and Other
Net Sales	0	0
Foreign Sales	0	0
Profit (Loss)	0	0
Assets	1,521,200	1,333,400
Long-lived Asset Expenditures	0	0
Depreciation and Amortization	0	0
Consolidated
Net Sales	1,351,700	1,541,000
Foreign Sales	860,900	721,300
Profit (Loss)	(91,700)	77,200
Assets	5,866,100	5,032,800
Long-lived Asset Expenditures	19,500	54,900
Depreciation and Amortization	$ 44,300	$ 47,100