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The Company and Basis of Presentation - Additional Information (Details)					1 Months Ended			3 Months Ended		9 Months Ended
	Apr. 27, 2020 USD ($) Installment	Apr. 24, 2020 USD ($)	Apr. 07, 2020 USD ($)	Apr. 30, 2017 USD ($)	Jul. 31, 2019 USD ($) shares	Mar. 31, 2019 USD ($)	Feb. 28, 2018 USD ($)	Sep. 30, 2020 USD ($) shares	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) shares	Sep. 30, 2019 USD ($)	Apr. 28, 2020 USD ($)	Dec. 31, 2019 USD ($) shares	Jun. 19, 2019 USD ($)	Oct. 31, 2018
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Net proceeds from issuance of initial public offering							$ 16,100,000
Proceeds from notes payable											$ 374,623
Common stock, shares issued \| shares					1,554,546			16,620,908		16,620,908			16,121,747
Proceeds from issuance of common stock					$ 2,488,148						2,700,714
Loan amount								$ 5,885,348		$ 5,885,348
Cash and cash equivalents								5,519,829		5,519,829			$ 5,185,321
Working capital								15,467,546		15,467,546
Operating loss								(979,442)	$ (419,557)	937,598	2,593,131
Cash used in operating activities										1,385,390	$ (388,347)
Non-interest bearing convertible note		$ 6,000,000
Original issue discount rate		10.00%
Tranche One
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Non-interest bearing convertible note	$ 3,000,000
Debt maturity term	3 months
Tranche Two
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Non-interest bearing convertible note	$ 3,000,000
Debt maturity term	7 months
Number of note repayable installments \| Installment	22
Follow-on Public Offering
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Aggregate of common stock preferred stock debt securities and warrants securities														$ 100,000,000
Members of Board of Directors
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Proceeds from notes payable						$ 1,500,000
Management \| Minimum
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Estimated savings from cost reduction plan			$ 1,500,000
Management \| Maximum
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Estimated savings from cost reduction plan			$ 2,000,000
Senior Secured Convertible Promissory Notes
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Debt instrument, face amount		$ 3,000,000
Debt instrument, interest rate		10.00%
Paycheck Protection Program
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Loan amount												$ 1,500,000
Bressner Technology
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Percentage of shares acquired															100.00%
Bressner Technology GmbH
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Cash and cash equivalents								$ 1,224,020		$ 1,224,020
SkyScale, LLC
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Member contribution to joint venture				$ 750,000
Interest received in joint venture				50.00%