Debt (Tables)

6 Months Ended

Jun. 30, 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):  

	June 30, 2021				December 31, 2020
	Carrying Amount		Interest Rate		Carrying Amount		Interest Rate
Long-term debt, current and noncurrent:
Borrowing under Wells Fargo Credit Facility	$	20,341	1.93	%	$	21,030	2.01	%
Mitsubishi Bank loans	6,167		1.07% -1.47%		7,662		1.05%-1.45%
Mitsubishi Bank and Yamanashi Chuo Bank loan	4,112		1.07	%	5,002		1.07	%
Total long-term debt	30,620				33,694
Finance lease liability	141				189
Total long-term debt	30,761				33,883
Unaccreted discount and issuance costs	(240)				(324)
Total long-term debt, net of unaccreted discount and issuance costs	$	30,521			$	33,559
Reported as:
Current portion of long-term debt	$	3,033			$	3,232
Long-term debt, net of current portion	27,488				30,327
Total debt, net of unaccreted discount and issuance costs	$	30,521			$	33,559

Schedule of maturities of long-term debt

As of June 30, 2021, maturities of total long-term debt were as follows (in thousands):

2021 (remaining six months)	$	1,616
2022	3,080
2023	3,037
2024	2,260
2025	427
Thereafter	20,341
	$	30,761