Significant Customers (Details)	3 Months Ended								12 Months Ended
	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2020 USD ($) Customers	Jun. 30, 2019 USD ($) Customers
Sales	$ 12,124,438	$ 6,191,300	$ 7,286,674	$ 5,923,819	$ 11,619,202	$ 9,218,141	$ 7,303,109	$ 8,337,399	$ 31,526,231	$ 36,477,851
Sales Revenue [Member] | Domestic U.S. Customers [Member]
Concentration Risk percentage									38.00%	54.00%
Number of customers									2	3
Sales Revenue [Member] | Foreign Customers [Member]
Sales									$ 2,077,000	$ 2,638,000
Accounts receivable [Member]
Concentration Risk percentage									53.90%	46.20%
Number of customers | Customers									2	1
Accounts receivable [Member] | Domestic U.S. Customers [Member]
Concentration Risk percentage									54.00%	51.00%
Number of customers									2	2