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The Company and Basis of Presentation - Additional Information (Details) |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |
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Apr. 27, 2020 USD ($) Installment | Apr. 24, 2020 USD ($) | Apr. 07, 2020 USD ($) | Oct. 31, 2018 USD ($) shares | Oct. 31, 2018 EUR (€) shares | Aug. 31, 2018 USD ($) | Apr. 30, 2017 USD ($) | Jul. 31, 2019 USD ($) shares | Mar. 31, 2019 USD ($) | Feb. 28, 2018 USD ($) | Jul. 31, 2017 USD ($) | Mar. 31, 2020 USD ($) shares | Mar. 31, 2019 USD ($) | Dec. 31, 2019 USD ($) shares | Apr. 28, 2020 USD ($) | Jun. 19, 2019 USD ($) | Mar. 20, 2019 USD ($)
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from issuance of initial public offering |  |  |  |  |  |  |  |  |  | $ 16,100,000 |  |  |  |  |  |  |
Common stock, shares issued | shares |  |  |  |  |  |  |  | 1,554,832 |  |  |  | 16,476,661 |  | 16,121,747 |  |  |
Proceeds from issuance of common stock |  |  |  |  |  |  |  | $ 2,488,148 |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  | $ 3,038,006 |  | $ 5,185,321 |  |  |
Working capital |  |  |  |  |  |  |  |  |  |  |  | 11,938,554 |  |  |  |  |
Operating loss |  |  |  |  |  |  |  |  |  |  |  | 1,511,154 | $ 2,032,208 |  |  |  |
Cash used in operating activities |  |  |  |  |  |  |  |  |  |  |  | 721,773 | $ 200,017 |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  | 1,689,976 |  |  |  |  |
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 |
Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-interest bearing convertible note |  | $ 6,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue discount rate |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event | Tranche One |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-interest bearing convertible note | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt maturity term | 3 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event | 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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior Secured Convertible Promissory Notes | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,500,000 |  |
Members of Board of Directors and Others |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from notes payable |  |  |  |  |  |  |  |  | $ 1,500,000 |  |  |  |  |  |  |  |
Management |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Funding commitments, line of credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,000,000
Funding commitments, line of credit, borrowed |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,500,000 |  |  |
Remaining outstanding line of credit |  |  |  |  |  |  |  |  |  |  |  | 786,125 |  |  |  |  |
Funding commitments, line of credit, remaining available |  |  |  |  |  |  |  |  |  |  |  | 500,000 |  |  |  |  |
Concept Development Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition date |  |  |  |  |  | Aug. 31, 2018 |  |  |  |  |  |  |  |  |  |  |
Cash paid to acquire businesses |  |  |  |  |  | $ 646,759 |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued, Value |  |  |  |  |  | $ 4,194,673 |  |  |  |  |  |  |  |  |  |  |
Bressner Technology |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash paid to acquire businesses |  |  |  | $ 5,374,582 | € 4,725,000 |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shares acquired |  |  |  | 100.00% | 100.00% |  |  |  |  |  |  |  |  |  |  |  |
Bressner Technology | Restricted Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock consideration | shares |  |  |  | 106,463 | 106,463 |  |  |  |  |  |  |  |  |  |  |  |
Bressner Technology GmbH |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  | $ 599,511 |  |  |  |  |
Minimum | Management | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated savings from cost reduction plan |  |  | $ 2,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Management | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated savings from cost reduction plan |  |  | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Technology and Software License Agreement | Western Digital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration paid for assets acquired |  |  |  |  |  |  |  |  |  |  | $ 67,000 |  |  |  |  |  |
Receivable for services rendered |  |  |  |  |  |  |  |  |  |  | $ 1,400,000 |  |  |  |  |  |
Servicer payments period |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |
Technology and Software License Agreement | Minimum | Western Digital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prospective royalties payable |  |  |  |  |  |  |  |  |  |  | $ 2,500 |  |  |  |  |  |
Technology and Software License Agreement | Maximum | Western Digital |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prospective royalties payable |  |  |  |  |  |  |  |  |  |  | $ 5,000 |  |  |  |  |  |
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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