4. Segment Information and Concentrations (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Depreciation and Amortization			$ 327,200	$ 154,000
Benchtop Laboratory Equipment [Member]
Revenues	1,558,000	1,177,400	3,891,400	3,401,200
Foreign Sales	813,900	604,900	1,947,400	2,049,100
Income(Loss) from Operations	120,600	61,400	(64,700)	299,100
Assets	4,165,700	4,017,100	4,165,700	4,017,100
Long-lived Asset Expenditures	900	1,454,700	52,400	1,474,700
Depreciation and Amortization	74,700	32,700	227,000	55,300
Catalyst Research Instruments [Member]
Revenues	144,600	603,900	1,115,300	1,406,900
Foreign Sales	81,100	198,800	840,300	367,100
Income(Loss) from Operations	(50,400)	(10,600)	(191,200)	(112,500)
Assets	1,506,700	1,847,900	1,506,700	1,847,900
Long-lived Asset Expenditures		11,300	900	11,300
Depreciation and Amortization	7,900	8,500	26,900	26,100
Bioprocessing Systems [Member]
Revenues	26,600	5,000	75,700	162,100
Foreign Sales				2,000
Income(Loss) from Operations	(33,500)	(58,000)	(118,600)	(10,200)
Assets	783,400	873,300	783,400	873,300
Long-lived Asset Expenditures	3,700	1,000	7,600	7,500
Depreciation and Amortization	24,500	24,300	73,300	72,600
Corporate and Other [Member]
Revenues
Foreign Sales
Income(Loss) from Operations		(69,000)		(79,500)
Assets	555,800	674,800	555,800	674,800
Long-lived Asset Expenditures
Depreciation and Amortization
Consolidated [Member]
Revenues	1,729,200	1,786,300	5,082,400	4,970,200
Foreign Sales	895,000	803,700	2,787,700	2,418,200
Income(Loss) from Operations	36,700	(76,200)	(374,500)	96,900
Assets	7,011,600	7,413,100	7,011,600	7,413,100
Long-lived Asset Expenditures	4,600	1,467,000	60,900	1,493,500
Depreciation and Amortization	$ 107,100	$ 65,500	$ 327,200	$ 154,000