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Revenue (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2024

Dec. 31, 2023

Revenue

Summary of company's revenue, net disaggregated by type of product and service

​

​	​	​	​	​	​	​
​	​	Three Months Ended March 31,
​		2024			2023
Product sales	​	$	2,022	​	$	755
Software as a service and related services	​		200	​		179
Ancillary services	​		53	​		46
Total revenue	​	$	2,275	​	$	980

​

​	​	​	​	​	​	​
​		2023			2022
Product sales	​	$	4,270	​	$	6,681
Software as a service and related services	​		784	​		348
Ancillary services	​		376	​		239
Total revenue	​	$	5,430	​	$	7,268

Summary of change in contract liabilities

​

​	​	​	​
​		Contract liabilities
Balance at January 1, 2023	​	$	297
Prepayments and adjustments	​		2,552
Revenue recognition	​		(784)
Balance at December 31, 2023	​		2,065
Contract liabilities, non-current	​	$	121
Balance at January 1, 2024	​	$	2,065
Prepayments and adjustments	​		(711)
Revenue recognition	​		(200)
Balance at March 31, 2024	​		1,154
Contract liabilities, non-current	​	$	238

​

​

​	​	​	​
​		Contract liabilities
Balance at January 1, 2022	​	$	75
Prepayments	​		570
Revenue recognition	​		(348)
Balance at December 31, 2022	​		297
Prepayments	​		2,552
Revenue recognition	​		(784)
Balance at December 31, 2023	​	$	2,065
Contract liabilities, noncurrent	​		121

Summary of change in accounts receivables allowance

​

​	​	​	​	​	​	​
​	​	December 31,
​	​	2023		​	2022
Beginning balance		$	290		$	145
Reversal of account receivables allowance	​		(304)	​		(13)
Bad debt expense	​		194	​		158
Ending balance	​	$	180	​	$	290

​

X

- Definition

Tabular disclosure of allowance for credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

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X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-10

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X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-5

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- References

No definition available.

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