4. Segment Information and Concentrations (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Depreciation and Amortization			$ 88,500	$ 89,000
Benchtop Laboratory Equipment [Member]
Revenues	1,154,000	1,164,900	2,223,700	2,229,700
Foreign Sales	823,400	747,900	1,444,200	1,369,600
Income (Loss) from Operations	119,800	157,200	238,100	274,800
Assets	2,787,400	2,485,700	2,787,400	2,485,700
Long-lived Asset Expenditures	10,100	7,100	20,000	9,200
Depreciation and Amortization	11,600	11,500	22,600	22,600
Catalyst Research Instruments [Member]
Revenues	463,400	664,900	803,100	949,200
Foreign Sales	88,900	279,800	162,400	519,000
Income (Loss) from Operations	2,100	68,200	(101,900)	(66,100)
Assets	1,704,400	1,695,400	1,704,400	1,695,400
Long-lived Asset Expenditures	0	700	0	18,100
Depreciation and Amortization	8,500	9,200	17,600	18,500
Bioprocessing Systems [Member]
Revenues	130,400	47,100	157,100	49,700
Foreign Sales	0	0	2,000	0
Income (Loss) from Operations	64,600	(30,900)	47,800	(105,900)
Assets	981,600	963,100	981,600	963,100
Long-lived Asset Expenditures	6,000	0	6,500	0
Depreciation and Amortization	24,200	24,000	48,300	47,900
Corporate and Other [Member]
Revenues	0	0	0	0
Foreign Sales	0	0	0	0
Income (Loss) from Operations	(10,000)	0	(10,500)	0
Assets	829,800	915,800	829,800	915,800
Long-lived Asset Expenditures	0	0	0	0
Depreciation and Amortization	0	0	0	0
Consolidated [Member]
Revenues	1,747,800	1,876,900	3,183,900	3,228,600
Foreign Sales	912,300	1,027,700	1,608,600	1,888,600
Income (Loss) from Operations	176,500	194,500	173,500	102,800
Assets	6,303,200	6,060,000	6,303,200	6,060,000
Long-lived Asset Expenditures	16,100	7,800	26,500	27,300
Depreciation and Amortization	$ 44,300	$ 44,700	$ 88,500	$ 89,000