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Subsequent Events (Details) $ in Thousands, ₩ in Millions	1 Months Ended			2 Months Ended	3 Months Ended		9 Months Ended
	Nov. 30, 2024 USD ($)	Oct. 31, 2024 USD ($) shares	Apr. 30, 2024 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2024 USD ($) shares	Jun. 30, 2024 USD ($) shares	Sep. 30, 2024 USD ($)	Nov. 30, 2024 KRW (₩)	Oct. 31, 2024 KRW (₩)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 KRW (₩)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 KRW (₩)
Subsequent Event [Line Items]
Repayments of convertible promissory notes							$ 1,630
Issuance of common stock under common stock purchase agreement (in shares) | shares					1,421,715	678,462
Proceeds from issuance of common stock under common stock purchase agreement					$ 5,000	$ 2,800	7,814
Historical convertible promissory notes
Subsequent Event [Line Items]
Repayments of convertible promissory notes			$ 600	$ 1,000			$ 5,100
Mujin Electronics Co., Ltd.
Subsequent Event [Line Items]
Maturity date description							In October 2024, the Company executed an amendment with Mujin Electronics Co., Ltd. to extend the maturity date of KRW 5.0 billion ($3.7 million) loan from January 2025 to June 2025.
i Best Investment Co., Ltd.
Subsequent Event [Line Items]
Maturity date description							In October 2024, the Company executed an amendment with i Best Investment Co., Ltd. to extend the maturity date from February 2025 to May 2025 for its sixth draw.
Kyeongho Lee | Term loans
Subsequent Event [Line Items]
Principal amount										$ 100	₩ 110.0	$ 700	₩ 1,000.0
Subsequent event
Subsequent Event [Line Items]
Issuance of common stock under common stock purchase agreement (in shares) | shares		103,596
Proceeds from issuance of common stock under common stock purchase agreement		$ 300
Subsequent event | Historical convertible promissory notes
Subsequent Event [Line Items]
Repayments of convertible promissory notes		1,000
Subsequent event | Mujin Electronics Co., Ltd. | Term loans
Subsequent Event [Line Items]
Term loan outstanding		$ 3,700							₩ 5,000.0
Subsequent event | Kyeongho Lee | Term loans
Subsequent Event [Line Items]
Principal amount	$ 2,900							₩ 4,000.0
Loan maturity date	Dec. 31, 2024
Annual interest rate	12.00%

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