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Equity - Convertible Preferred Stock (Details) - USD ($) | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2019 | Aug. 31, 2018 | Sep. 30, 2020 | Jul. 22, 2020 | Dec. 31, 2019 | Sep. 30, 2019
Class of Stock [Line Items] |  |  |  |  |  |
Preferred stock, par value per share (in dollars per share) |  |  | $ 0.000666 |  | $ 0.000666 |
Preferred stock for due diligence fees (in shares) |  | 261,628 |  |  |  |
Preferred Stock, $0.000666 par value, 50,000,000 shares authorized, no shares issued |  |  | $ 0 |  | $ 0 |
Common shares issued on conversion (in shares) |  |  |  |  |  | 2,240,441
Shares Issued, Price Per Share |  |  |  | $ 0.61 |  | $ 0.74
Temple Tower Group LLC | Securities Purchase Agreement With Temple | Convertible Preferred Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) | 1,274 |  |  |  |  |
Preferred stock, par value per share (in dollars per share) | $ 1,000 |  |  |  |  |
Proceeds from the issuance of convertible preferred stock | $ 1,100,000 |  |  |  |  |
Preferred stock for due diligence fees (in shares) | 191 |  |  |  |  |
Preferred Stock, $0.000666 par value, 50,000,000 shares authorized, no shares issued | $ 1,500,000 |  |  |  |  |
Common shares issued on conversion (in shares) |  |  |  |  |  | 2,240,441
Shares Issued, Price Per Share |  |  |  |  |  | $ 0.57

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