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Term Loan Obligations - Additional Information (Details) - USD ($)					3 Months Ended		6 Months Ended
	Jun. 28, 2023	Mar. 29, 2020	Mar. 28, 2020	May 29, 2015	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt Instrument [Line Items]
Interest expense					$ 112,000	$ 181,000	$ 246,000	$ 379,000
Non-cash amortization					100,000	$ 100,000	$ 100,000	$ 200,000
LIBOR [Member] | Interest Rate Floor [Member]
Debt Instrument [Line Items]
Basis variable rate				1.00%
Term Loan [Member]
Debt Instrument [Line Items]
Origination date							May 29, 2015
Original loan amount				$ 17,700,000
Basis variable rate				7.95%
Maturity date		Jun. 01, 2024	Sep. 01, 2021	May 01, 2021
Fees amount associated with loan				$ 3,200,000	3,200,000		$ 3,200,000
Interest rate	8.95%
Minimum liquidity covenant					2,000,000.0		$ 2,000,000.0
Debt principal repayment start date		May 01, 2021	May 01, 2020
Debt instrument, covenant compliance							the Company was in compliance with all of the debt covenants under the Loan and Security Agreement.
Term Loan [Member] | Loan and Security Agreement [Member] | Sale of the Japanese Subsidiary and Certain Assets [Member]
Debt Instrument [Line Items]
Payments for principal, interest and fees				$ 3,100,000
Term Loan [Member] | SOFR [Member]
Debt Instrument [Line Items]
Basis variable rate	8.05%
Term Loan [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest rate				8.95%
Term Loan [Member] | Maximum [Member]
Debt Instrument [Line Items]
Original loan amount					$ 3,000,000.0		$ 3,000,000.0
Long term debt outstanding threshold amount							$ 2,000,000.0

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