Debt (Tables)

3 Months Ended

Mar. 31, 2022

Debt Disclosure [Abstract]

Schedule of Outstanding Borrowings under SVB Term Loan

As of March 31, 2022 and December 31, 2021, the Company had outstanding borrowings of $13.4 million and $14.0 million, respectively, under the SVB Term Loan and the term loan payable balance as presented on the Company’s Condensed Consolidated Balance Sheets as of March 31, 2022 and December 31, 2021 was comprised as shown below. 

	March 31, 2022			December 31, 2021
Principal outstanding under term loan	$	13,417		$	14,000
Term loan discount-interest		(66	)		(84	)
Term loan discount-unamortized deferred charges		(59	)		(76	)
Term loan discount-financing costs, net of accretion		(10	)		(12	)
Term loan-final payment fee		774			657
		14,056			14,485
Less current portion		7,000			5,833
Term loan payable, non-current	$	7,056		$	8,652

Schedule of Components of Interest Expense of Term Loan

Interest expense on the SVB Term Loan, which is comprised of interest payments, accretion and amortization of term loan discounts and the accrual of the final payment fee, is shown below for the three months ended March 31, 2022 and 2021, respectively. For the three months ended March 31, 2022 and 2021, the interest rate applicable to borrowings under the SVB Term Loan was 4.25%.

	Three Months Ended March 31,
	2022		2021
Interest payments	$	148	$	149
Accrual of the final payment fee		117		118
Accretion and amortization of term loan discounts		37		27
	$	302	$	294