4. Segment Information and Concentrations (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Depreciation and Amortization			$ 154,000	$ 132,400
Benchtop Laboratory Equipment [Member]
Revenues	1,177,400	1,229,800	3,401,200	3,459,500
Foreign Sales	604,900	645,300	2,049,100	2,014,900
Income (Loss) from Operations	61,400	243,300	299,100	518,100
Assets	4,017,100	2,719,500	4,017,100	2,719,500
Long-lived Asset Expenditures	1,454,700	1,700	1,474,700	10,900
Depreciation and Amortization	32,700	10,700	55,300	33,300
Catalyst Research Instruments [Member]
Revenues	603,900	360,600	1,406,900	1,309,700
Foreign Sales	198,800	107,300	367,100	626,400
Income (Loss) from Operations	(10,600)	3,600	(112,500)	(62,500)
Assets	1,847,900	1,932,600	1,847,900	1,932,600
Long-lived Asset Expenditures	11,300	1,200	11,300	19,300
Depreciation and Amortization	8,500	8,700	26,100	27,200
Bioprocessing Systems [Member]
Revenues	5,000	35,700	162,100	85,500
Foreign Sales			2,000
Income (Loss) from Operations	(58,000)	(41,700)	(10,200)	(147,600)
Assets	873,300	904,600	873,300	904,600
Long-lived Asset Expenditures	1,000		7,500
Depreciation and Amortization	24,300	24,000	72,600	71,900
Corporate and Other [Member]
Revenues
Foreign Sales
Income (Loss) from Operations	(69,000)		(79,500)
Assets	674,800	916,800	674,800	916,800
Long-lived Asset Expenditures
Depreciation and Amortization
Consolidated [Member]
Revenues	1,786,300	1,626,100	4,970,200	4,854,700
Foreign Sales	803,700	752,600	2,418,200	2,641,300
Income (Loss) from Operations	(76,200)	205,200	96,900	308,000
Assets	7,413,100	6,473,500	7,413,100	6,473,500
Long-lived Asset Expenditures	1,467,000	2,900	1,493,500	30,200
Depreciation and Amortization	$ 65,500	$ 43,400	$ 154,000	$ 132,400