Debt (Tables)

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Schedule of carrying amount and weighted average interest rate of the company's debt

The table below summarizes the carrying amounts and weighted average interest rates of the Company’s debt (in thousands, except percentages):  

	March 31, 2021				December 31, 2020
	Carrying Amount		Interest Rate		Carrying Amount		Interest Rate
Long-term debt, current and noncurrent:
Borrowing under Wells Fargo Credit Facility	$	21,136	1.96	%	$	21,030	2.01	%
Mitsubishi Bank loans	6,655		1.07% -1.47%		7,662		1.05%-1.45%
Mitsubishi Bank and Yamanashi Chuo Bank loan	4,388		1.08	%	5,002		1.07	%
Total long-term debt	32,179				33,694
Finance lease liability	165				189
Unaccreted discount and issuance costs	(271)				(324)
Total long-term debt, net of unaccreted discount and issuance costs	$	32,073			$	33,559
Reported as:
Current portion of long-term debt	$	3,026			$	3,232
Long-term debt, net of current portion	29,047				30,327
Total long-term debt, net of unaccreted discount and issuance costs	$	32,073			$	33,559

Schedule of maturities of long-term debt

As of March 31, 2021, maturities of total long-term debt were as follows (in thousands):

2021 (remaining nine months)	$	2,376
2022	24,244
2023	3,039
2024	2,260
2025	425
	$	32,344