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v3.20.2

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% |  |  |  |  |  |  |  |  |  |  |

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