Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Prepaid Expenses And Other Current Assets
Prepaid expenses	$ 100	$ 100
Sales-type lease receivable	248	249
Vendor deposits	417	131
Others	30	38
Total prepaid and other current assets	795	518
Less: Provision for credit loss	(162)	(162)
Total prepaid and other current assets, net	$ 633	$ 356

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- Definition

Prepaid expense and other assets gross.

+ References

No definition available.

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- Definition

Prepaid expenses current.

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No definition available.

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- Definition

Provision for credit losses of prepaid expenses and other current assets.

+ References

No definition available.

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- Definition

Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of current assets classified as other.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount, after allowance for credit loss, of net investment in sales-type lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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