4. Segment Information and Concentrations (Details) (USD $)	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Depreciation and Amortization	$ 44,200	$ 44,300
Benchtop Laboratory Equipment [Member]
Revenues	1,069,700	1,064,900
Foreign Sales	620,800	621,700
Income (Loss) from Operations	117,800	117,600
Assets	2,470,200	2,556,900
Long-lived Asset Expenditures	9,900	2,100
Depreciation and Amortization	11,000	11,100
Catalyst Research Instruments [Member]
Revenues	339,700	284,200
Foreign Sales	73,500	239,200
Income (Loss) from Operations	(104,000)	(134,300)
Assets	1,587,200	987,000
Long-lived Asset Expenditures	0	17,400
Depreciation and Amortization	9,100	9,300
Bioprocessing Systems [Member]
Revenues	26,700	2,600
Foreign Sales	2,000	0
Income (Loss) from Operations	(16,800)	(75,000)
Assets	890,600	801,000
Long-lived Asset Expenditures	500	0
Depreciation and Amortization	24,100	23,900
Corporate and Other [Member]
Revenues	0	0
Foreign Sales	0	0
Income (Loss) from Operations	0	0
Assets	1,101,100	1,521,200
Long-lived Asset Expenditures	0	0
Depreciation and Amortization	0	0
Consolidated [Member]
Revenues	1,436,100	1,351,700
Foreign Sales	696,300	860,900
Income (Loss) from Operations	(3,000)	(91,700)
Assets	6,049,100	5,866,100
Long-lived Asset Expenditures	10,400	19,500
Depreciation and Amortization	$ 44,200	$ 44,300