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General - Schedule of Revenue by Source (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,682,424	$ 4,210,393	$ 3,492,349	$ 5,981,623
Equipment and Systems Sales [Member]
Disaggregation of Revenue [Line Items]
Total revenue	1,486,948	3,748,275	3,093,894	5,240,804
Engineering and Other Services [Member]
Disaggregation of Revenue [Line Items]
Total revenue	157,086	373,386	288,677	595,795
Shipping and Handling [Member]
Disaggregation of Revenue [Line Items]
Total revenue	$ 38,390	$ 88,732	$ 109,778	$ 145,024

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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