3. Segment Information and Concentrations (Details Narrative)	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Benchtop Laboratory Equipment [Member]
Net sales	51.00%	53.00%	50.00%	50.00%
Total revenues	42.00%	48.00%	41.00%	46.00%
Benchtop Laboratory Equipment [Member] | ThreeCustomers [Member]
Net sales	21.00%	22.00%	22.00%	22.00%
Total revenues	18.00%	20.00%	18.00%	20.00%
Benchtop Laboratory Equipment [Member] | Torbal Brand Products
Net sales	25.00%	21.00%	25.00%	23.00%
Total revenues	21.00%	19.00%	21.00%	21.00%
Catalyst Research Instruments [Member] | TwoCustomers [Member]
Net sales	96.00%
Total revenues	10.00%
Catalyst Research Instruments [Member] | One Customer [Member]
Net sales		74.00%
Total revenues		7.00%
Catalyst Research Instruments [Member] | Five Customers [Member]
Net sales			90.00%	64.00%
Total revenues			10.00%	4.00%