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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of the required periodic payments including both interest and principal payments.

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Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

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Notes Payable, net - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Apr. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Borrowing amount	$ 5,900
Debt interest rate	1.00%
Deferral period	10 months
Debt term	168 days
Interest and principal	$ 300
Notes payable		$ 0	$ 51,934
Warrants issued for debt (in shares)		8,669,076
Estimated fair value		$ 12,500
Balloon payment				$ 600
Principal amount due			24,300
Prepayment charge interest		1.00%
Subordinated Note Purchase and Security Agreement
Debt Instrument [Line Items]
Borrowing amount			31,600
Debt interest rate		2.00%
Capitalized payment			900
Additional funds			15,000
Notes payable			32,500
Paid-in-Kind Interest			$ 600
End of term fee rate		1.00%
Subordinated Note Purchase and Security Agreement \| Debt Instrument, Outstanding Balance Threshold Two
Debt Instrument [Line Items]
Notes payable		$ 5,000
2019 Loan and Security Agreement
Debt Instrument [Line Items]
Borrowing amount				25,000
Series-E Convertible Preferred Stock
Debt Instrument [Line Items]
Estimated fair value				$ 500
Effective Date First Year
Debt Instrument [Line Items]
Prepayment charge		3.00%
Effective Date Second Year
Debt Instrument [Line Items]
Prepayment charge		2.00%
Minimum \| Subordinated Note Purchase and Security Agreement
Debt Instrument [Line Items]
Debt interest rate		9.00%
Minimum \| Subordinated Note Purchase and Security Agreement \| Debt Instrument, Outstanding Balance Threshold Three
Debt Instrument [Line Items]
Debt interest rate		9.00%
Notes payable		$ 10,000
Maximum \| Subordinated Note Purchase and Security Agreement
Debt Instrument [Line Items]
Debt interest rate		11.00%
Maximum \| Subordinated Note Purchase and Security Agreement \| Debt Instrument, Outstanding Balance Threshold One
Debt Instrument [Line Items]
Debt interest rate		11.00%
Notes payable		$ 5,000
Maximum \| Subordinated Note Purchase and Security Agreement \| Debt Instrument, Outstanding Balance Threshold Two
Debt Instrument [Line Items]
Notes payable		$ 10,000
Median \| Subordinated Note Purchase and Security Agreement \| Debt Instrument, Outstanding Balance Threshold Two
Debt Instrument [Line Items]
Debt interest rate		10.00%