4. Segment Information and Concentrations (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Depreciation and Amortization			$ 220,100	$ 88,500
Benchtop Laboratory Equipment [Member]
Revenues	1,247,000	1,154,000	2,333,400	2,223,700
Foreign Sales	722,400	823,400	1,133,500	1,444,200
Income (Loss) from Operations	(67,200)	119,800	(185,300)	238,100
Assets	4,032,700	2,787,400	4,032,700	2,787,400
Long-lived Asset Expenditures	33,200	10,100	51,500	20,000
Depreciation and Amortization	76,300	11,600	152,300	22,600
Catalyst Research Instruments [Member]
Revenues	419,600	463,400	970,700	803,100
Foreign Sales	315,700	88,900	759,200	162,400
Income (Loss) from Operations	(70,600)	2,100	(140,800)	(101,900)
Assets	1,387,900	1,704,400	1,387,900	1,704,400
Long-lived Asset Expenditures	0	0	900	0
Depreciation and Amortization	9,200	8,500	19,000	17,600
Bioprocessing Systems [Member]
Revenues	24,500	130,400	49,100	157,100
Foreign Sales	0	0	0	2,000
Income (Loss) from Operations	(44,700)	64,600	(85,100)	47,800
Assets	774,100	981,600	774,100	981,600
Long-lived Asset Expenditures	2,300	6,000	3,900	6,500
Depreciation and Amortization	24,500	24,200	48,800	48,300
Corporate and Other [Member]
Revenues	0	0	0	0
Foreign Sales	0	0	0	0
Income (Loss) from Operations	0	(10,000)	0	(10,500)
Assets	585,800	829,800	585,800	829,800
Long-lived Asset Expenditures	0	0	0	0
Depreciation and Amortization	0	0	0	0
Consolidated [Member]
Revenues	1,691,100	1,747,800	3,353,200	3,183,900
Foreign Sales	1,038,100	912,300	1,892,700	1,608,600
Income (Loss) from Operations	(182,500)	176,500	(411,200)	173,500
Assets	6,780,500	6,303,200	6,780,500	6,303,200
Long-lived Asset Expenditures	35,500	16,100	56,300	26,500
Depreciation and Amortization	$ 110,000	$ 44,300	$ 220,100	$ 88,500