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v3.20.1

Borrowings - Additional Information (Details) |  |  | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 07, 2019 USD ($) d $ / shares | Sep. 30, 2016 USD ($) | Apr. 30, 2019 USD ($) shares | Mar. 31, 2020 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Payment of debt issuance costs |  |  |  | $ 0 | $ 1,143,000 |
Loss on debt extinguishment |  |  |  | 0 | (814,000) |
Convertible debt and derivative liability |  |  |  | 11,100,000 |  | $ 11,522,000
Amortization of debt issuance costs and discount |  |  |  | 278,000 | 200,000 |
Senior Convertible Note Purchase Agreement |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Face amount | $ 16,000,000 |  |  |  |  |
Date of issuance and sale of notes | Mar. 07, 2019 |  |  |  |  |
Proceeds from debt, net of issuance costs | $ 14,700,000 |  |  |  |  |
Payment of debt issuance costs | $ 1,300,000 |  |  |  |  |
Loss on debt extinguishment |  |  | $ (200,000) |  | (800,000) |
Reacquisition price of outstanding debt |  |  |  |  | 15,900,000 |
Carrying value of debt obligation |  |  |  |  | 15,100,000 |
Senior convertible notes |  |  |  | 8,600,000 |  |
Unamortized debt issuance cost |  |  |  | 500,000 |  |
Bifurcated embedded conversion option derivative liability |  |  |  | 2,500,000 |  |
Derivative, fair value |  |  |  | 7,000,000 |  |
Debt issuance costs |  |  |  |  | 600,000 |
Gain (loss) on fair value adjustment of derivative liability |  |  |  | 700,000 | (3,400,000) |
Amortization of debt issuance costs and discount |  |  |  | 300,000 | $ 200,000 |
Conversion of convertible note, amount |  |  | $ 2,000,000 |  |  |
Conversion of convertible note exchanged for shares | shares |  |  | 1,626,000 |  |  |
Fair value of convertible debt and derivative liability |  |  | $ 2,800,000 | $ 10,200,000 |  |
Fair value of the consideration issued |  |  | $ 3,000,000 |  |  |
Purchase price as percentage of principal amount | 100.00% |  |  |  |  |
Interest rate | 6.00% |  |  |  |  |
Payment terms |  |  |  | The Notes bear interest at a rate of 6.0% per annum payable semiannually in arrears on March 15 and September 15 of each year, beginning September 15, 2019. The Notes will mature on March 15, 2025, unless earlier converted, redeemed or repurchased. |  |
Notes maturity date | Mar. 15, 2025 |  |  |  |  |
Notes maturity description |  |  |  | The Notes will mature on March 15, 2025, unless earlier converted, redeemed or repurchased |  |
Conversion terms |  |  |  | holder of the Notes may convert their Notes at their option at any time prior to the close of business on the business day immediately preceding March 15, 2025 into shares of the Company’s common stock. |  |
Conversion rate, number of shares to be issued per $1000 of principal (in shares) | 739.0983 |  |  |  |  |
Principal amount of notes used as the denominator for conversion into notes | $ 1,000 |  |  |  |  |
Initial conversion price of notes | $ / shares | $ 1.35 |  |  |  |  |
Conversion rate, number of shares to be issued per $1000 of principal (in shares) after adjustment to certain events | 813 |  |  |  |  |
Principal amount of notes used as the denominator for conversion into notes after adjustment of certain events | $ 1,000 |  |  |  |  |
Convertible notes, redemption start date | Mar. 15, 2022 |  |  |  |  |
Convertible notes, threshold percentage of stock price trigger | 130.00% |  |  |  |  |
Convertible notes, threshold trading days | d | 20 |  |  |  |  |
Convertible notes, threshold consecutive trading days | d | 30 |  |  |  |  |
Redemption price as percentage of the principal amount | 100.00% |  |  |  |  |
Redemption price as percentage of the principal amount subject to certain exceptions | 100.00% |  |  |  |  |
Secured Debt | Term Loan |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Loan agreement term |  | 48 months |  |  |  |
Face amount |  | $ 15,000,000 |  |  |  |
Secured Debt | Term Loan | LIBOR |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  | 8.49% |  |  |  |

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