3. Segment Information and Concentrations (Details) - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Depreciation and Amortization	$ 434,800	$ 262,800
Benchtop Laboratory Equipment [Member]
Revenues	5,410,500	4,679,100
Foreign Sales	2,584,100	2,617,300
Income (Loss) from Operations	90,600	156,000
Assets	4,240,100	4,129,100
Long-lived Asset Expenditures	65,300	1,476,500
Depreciation and Amortization	302,000	130,900
Catalyst Research Instruments [Member]
Revenues	2,315,900	1,923,300
Foreign Sales	1,322,400	866,900
Income (Loss) from Operations	19,700	(145,700)
Assets	1,614,400	1,535,300
Long-lived Asset Expenditures	1,000	11,300
Depreciation and Amortization	34,800	35,000
Bioprocessing Systems [Member]
Revenues	122,000	190,800
Foreign Sales		2,000
Income (Loss) from Operations	(127,100)	(49,500)
Assets	736,400	799,800
Long-lived Asset Expenditures	7,600	8,500
Depreciation and Amortization	98,000	96,900
Corporate and Other [Member]
Revenues	0	0
Foreign Sales	0	0
Income (Loss) from Operations	0	(79,500)
Assets	550,500	647,600
Long-lived Asset Expenditures	0	0
Depreciation and Amortization	0	0
Consolidated [Member]
Revenues	7,848,400	6,793,200
Foreign Sales	3,906,500	3,486,200
Income (Loss) from Operations	(16,800)	(118,700)
Assets	7,141,400	7,111,800
Long-lived Asset Expenditures	73,900	1,496,300
Depreciation and Amortization	$ 434,800	$ 262,800