Debt (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Components of Debt, Obligations, Weighted Average Interest Rate and Additional Fair Value Information Relating to Outstanding Debt Instruments

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

	December 31, 2019					December 31, 2018
	Carrying Amount			Interest Rate		Carrying Amount			Interest Rate
Notes payable to suppliers	—					4,795
Total notes payable and short-term borrowing	$	—				$	4,795
Long-term debt, current and non-current:
Borrowing under Wells Fargo Credit Facility	$	27,329		3.72	%	$	35,961		4.41	%
Mitsubishi Bank loans	9,255			1.04%-1.44%		11,094			1.05%-1.45%
Mitsubishi Bank and Yamanashi Chou Bank loan	5,868			1.07	%	6,898			1.10	%
Finance lease liability	275					—
Unaccreted discount and issuance costs	(446		)			(602		)
Total long-term debt, net of unaccreted discount and issuance costs	$	42,281				$	53,351
Reported as:
Current portion of long-term debt	$	3,044				$	2,897
Long-term debt, net of current portion	39,237					50,454
Total long-term debt, net of unaccreted discount and issuance costs	$	42,281				$	53,351

Maturities of Long-term Debt

At December 31, 2019, maturities of long-term debt were as follows (in thousands): 

2020	$	3,192
2021	3,192
2022	30,511
2023	3,097
2024	2,303
Thereafter	432
	$	42,727