v3.22.1

Long-term Notes and Convertible Notes - Calm Note (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 17, 2020 | Aug. 25, 2020 | Jun. 17, 2020 | Jun. 04, 2020 | Apr. 06, 2020 | Mar. 19, 2020 | Mar. 06, 2020 | Jul. 08, 2019
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Conversion price |  |  |  |  |  |  |  |  | $ 0.525 | $ 1.68 |
Warrants to purchase shares of common stock | 1,942,131 |  |  |  |  |  | 1,374,750 |  |  |  |
Exercise price per warrant |  |  | $ 1.70 |  |  |  |  |  |  |  |
Accretion expense |  |  | $ 1,125 |  |  |  |  |  |  |  |
Amortization expense |  |  | $ 128 |  |  |  |  |  |  |  |
Shares issued on conversion of debt | 2,913,197 |  |  |  |  |  |  |  |  |  |
Calm Warrants |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Exercise price per warrant |  |  |  |  |  |  |  |  | $ 0.0525 | $ 1.68 |
Calm Note, net |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  | $ 2,500
Conversion price |  |  | $ 0.525 |  |  |  |  |  |  |  | $ 6.00
Debt issuance costs, net |  |  |  |  |  |  |  |  |  |  | $ 1,369
Accretion expense |  | $ 187 |  |  |  |  |  |  |  |  |
Amortization expense |  | $ 30 |  |  |  |  |  |  |  |  |
Settlement of derivative liability through the issuance of Common Stock |  |  | $ 9,200 |  |  |  |  |  |  |  |
Principal amount of debt converted |  |  | 2,500 |  |  |  |  |  |  |  |
Write off of deferred debt issuance cost |  |  | 154 |  |  |  |  |  |  |  |
Write off of deferred debt discount cost |  |  | $ 947 |  |  |  |  |  |  |  |
Shares issued on conversion of debt |  |  | 4,761,906 |  |  |  |  |  |  |  |
Loss on derivative liability |  |  | $ 8,985 |  |  |  |  |  |  |  |
Calm Note, net | Calm Warrants |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase shares of common stock |  |  |  |  |  |  |  |  |  |  | 312,500
Purchase agreement |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase shares of common stock |  |  |  | 24,509,806 | 11,216,932 | 7,614,700 |  | 481,818 |  |  |
Exercise price per warrant |  |  |  | $ 1.70 | $ 3.02 |  |  |  |  |  |

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