3. Segment Information and Concentrations (Details) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Depreciation and Amortization	$ 178,800	$ 185,900
Benchtop Laboratory Equipment [Member]
Revenues	4,466,000	4,160,500
Foreign Sales	2,549,100	2,505,300
Income (Loss) From Operations	525,900	416,800
Assets	2,501,600	2,366,100
Long-lived Asset Expenditures	18,300	30,700
Depreciation and Amortization	43,300	49,300
Catalyst Research Instruments [Member]
Revenues	2,541,500	1,940,900
Foreign Sales	1,603,800	884,000
Income (Loss) From Operations	151,400	(190,400)
Assets	1,646,600	1,083,400
Long-lived Asset Expenditures	23,300	49,500
Depreciation and Amortization	35,300	76,700
Bioprocessing Systems [Member]
Revenues	127,000	101,200
Foreign Sales		3,600
Income (Loss) From Operations	(169,900)	(111,200)
Assets	903,600	822,800
Long-lived Asset Expenditures	9,200	1,018,000
Depreciation and Amortization	100,200	59,900
Corporate and Other [Member]
Revenues		0
Foreign Sales
Income (Loss) From Operations		(78,500)
Assets	1,101,200	1,499,900
Long-lived Asset Expenditures
Depreciation and Amortization
Consolidated [Member]
Revenues	7,134,500	6,202,600
Foreign Sales	4,152,900	3,392,900
Income (Loss) From Operations	507,400	36,700
Assets	6,153,000	5,772,200
Long-lived Asset Expenditures	50,800	1,098,200
Depreciation and Amortization	$ 178,800	$ 185,900