4. Segment Information and Concentrations (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Depreciation and Amortization			$ 210,800	$ 220,100
Benchtop Laboratory Equipment [Member]
Revenues	$ 1,583,500	$ 1,247,000	2,846,500	2,333,400
Foreign Sales	764,400	722,400	1,363,400	1,133,500
Income(Loss) from Operations	187,700	(67,200)	242,400	(185,300)
Assets	4,352,600	4,032,700	4,352,600	4,032,700
Long-lived Asset Expenditures	1,900	33,200	8,400	51,500
Depreciation and Amortization	74,200	76,300	148,000	152,300
Catalyst Research Instruments [Member]
Revenues	414,500	419,600	567,500	970,700
Foreign Sales	105,500	315,700	113,300	759,200
Income(Loss) from Operations	(10,100)	(70,600)	(92,200)	(140,800)
Assets	2,319,200	1,387,900	2,319,200	1,387,900
Long-lived Asset Expenditures	0	0	0	900
Depreciation and Amortization	7,000	9,200	13,900	19,000
Bioprocessing Systems [Member]
Revenues	30,200	24,500	58,600	49,100
Foreign Sales	0	0	0	0
Income(Loss) from Operations	(32,900)	(44,700)	(62,900)	(85,100)
Assets	728,800	774,100	728,800	774,100
Long-lived Asset Expenditures	5,700	2,300	5,700	3,900
Depreciation and Amortization	24,400	24,500	48,900	48,800
Corporate and Other [Member]
Revenues	0	0	0	0
Foreign Sales	0	0	0	0
Income(Loss) from Operations	(14,000)	0	(22,100)	0
Assets	578,300	585,800	578,300	585,800
Long-lived Asset Expenditures	0	0	0	0
Depreciation and Amortization	0	0	0	0
Consolidated [Member]
Revenues	2,028,200	1,691,100	3,472,600	3,353,200
Foreign Sales	869,900	1,038,100	1,476,700	1,892,700
Income(Loss) from Operations	130,700	(182,500)	65,200	(411,200)
Assets	7,978,900	6,780,500	7,978,900	6,780,500
Long-lived Asset Expenditures	7,600	35,500	14,100	56,300
Depreciation and Amortization	$ 105,600	$ 110,000	$ 210,800	$ 220,100