Revenue (Details) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2020	Jun. 30, 2019
Item Effected [Line Items]
Revenue	$ 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
ASC 606 [Member]
Item Effected [Line Items]
Contract liabilities	2,175,235				$ 6,054				2,175,235	6,054
ASC 606 [Member] | Backlog [Member]
Item Effected [Line Items]
Intangible assets	$ 54,900,000								54,900,000
ASC 606 [Member] | Units Delivered [Member]
Item Effected [Line Items]
Revenue									25,739,709	30,677,077
ASC 606 [Member] | Milestones Achieved [Member]
Item Effected [Line Items]
Revenue									$ 5,786,522	$ 5,800,774
ASC 606 [Member] | Forecast [Member] | Backlog [Member]
Item Effected [Line Items]
Backlog amount to be recognized, 2021	66.00%								66.00%
Backlog amount to be recognized, 2022	24.00%								24.00%
Backlog amount to be recognized, 2023	7.00%								7.00%
Backlog amount to be recognized, thereafter	3.00%								3.00%