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v3.20.2

Going Concern - Additional Information (Details) $ / shares in Units, $ in Thousands |  |  |  |  | 12 Months Ended | 17 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 24, 2020 PromissoryNote | Apr. 14, 2020 USD ($) | Mar. 27, 2020 USD ($) $ / shares shares | Mar. 25, 2020 USD ($) $ / shares shares | Jun. 30, 2020 USD ($) shares | Jun. 30, 2019 USD ($) shares | Mar. 25, 2020 USD ($) $ / shares shares | Feb. 13, 2020 USD ($) | Sep. 05, 2019 USD ($)
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  | $ 3,349 | $ 1,588 |  |  |
Working capital |  |  |  |  | 300 |  |  |  |
Net loss |  |  |  |  | 8,311 | 7,534 |  |  |
Net cash used in operating activities |  |  |  |  | (6,931) | (8,475) |  |  |
Net proceeds from sale of common stock |  |  |  |  | 5,650 | 5,908 |  |  |
Proceeds from note payable |  |  |  |  | $ 542 | $ 0 |  |  |
Common Stock |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |
Issuance of common stock registered direct offering | shares |  |  |  |  | 1,806,000 | 1,491,000 |  |  |
Common Stock | Securities Purchase Agreement |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |
Issuance of common stock registered direct offering | shares |  |  | 873,335 | 354,000 |  |  |  |  |
Common stock par value | $ / shares |  |  | $ 0.001 | $ 0.001 |  |  | $ 0.001 |  |
Common stock offering price per share | $ / shares |  |  | $ 3.75 | $ 5.00 |  |  | $ 5.00 |  |
Net proceeds from sale of common stock |  |  | $ 2,900 | $ 1,600 |  |  |  |  |
Common Stock | Market Issuance Sales Agreement |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |
Issuance of common stock registered direct offering | shares |  |  |  |  |  |  | 793,668 |  |
Net proceeds from sale of common stock |  |  |  |  |  |  | $ 2,300 |  |
Secured Promissory Note | Private Placement |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |
Secured note principal amount |  |  |  |  |  |  |  | $ 1,000 | $ 1,500
Number of promissory notes | PromissoryNote | 2 |  |  |  |  |  |  |  |
Extended maturity date | Sep. 05, 2021 |  |  |  |  |  |  |  |
PPP Promissory Note |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from note payable |  | $ 542 |  |  |  |  |  |  |

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