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Basis of Presentation - Additional Information (Details) - USD ($)		3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 01, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Summary Of Significant Accounting Policies [Line Items]
Net Loss		$ 5,476,690	$ 4,797,756	$ 16,892,385	$ 16,311,854	$ 21,875,713	$ 19,633,502
Accumulated Deficit		(135,158,826)		(135,158,826)		(118,266,441)
Operating Lease, Liability		565,779		565,779
Operating Lease, Liability, Current		533,289		533,289		0
Operating Lease, Liability, Noncurrent		$ 32,490		$ 32,490		$ 0
Revenue from Contract with Customer, Product and Service Benchmark [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage		100.00%
One Customer | Accrued Project Revenue [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage				100.00%
One Customer | Sales of Engineering Services
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage			100.00%	100.00%
Common Stock
Summary Of Significant Accounting Policies [Line Items]
Net Loss		$ 0	$ 0	$ 0	$ 0
Stock Issued During Period, Shares, New Issues	5,479,454	5,479,454		5,479,454	3,000,000
Warrant [Member]
Summary Of Significant Accounting Policies [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	5,479,454	5,479,454		5,479,454
Warrants and Rights Outstanding, Term	2 years
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 4.10	$ 4.10		$ 4.10
Common Stock and Warrant [Member]
Summary Of Significant Accounting Policies [Line Items]
Share Price	$ 3.65
Proceeds From Issuance Of Stock And Warrants, Gross	$ 20,000,007
Proceeds from Issuance or Sale of Equity, Net	$ 18,855,007
Sats [Member] | Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage						38.00%
Sats [Member] | Revenue from Contract with Customer, Product and Service Benchmark [Member] | Product Concentration Risk [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage			31.00%
Toshiba Japan [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage					27.00%
Engineering Revenues Percentage					67.00%
Toshiba Japan [Member] | Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage						32.00%
Foxconn [Member] | Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage				76.00%
Foxconn [Member] | Total revenues [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage				21.00%
Foxconn [Member] | Sales of Products
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage				23.00%

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