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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The Company and Summary of Significant Accounting Policies - Concentration of Revenues and Accounts Receivable (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024 USD ($) customer	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) customer	Dec. 31, 2022 USD ($) customer
The Company and Summary of Significant Accounting Policies
Revenues from contracts with customers	$ 3,265	$ 3,062	$ 16,028	$ 16,669
Customer A
The Company and Summary of Significant Accounting Policies
Revenues from contracts with customers				4,639
Accounts Receivable				1,228
Customer B
The Company and Summary of Significant Accounting Policies
Revenues from contracts with customers			3,031	2,979
Accounts Receivable			1,755	590
Customer C
The Company and Summary of Significant Accounting Policies
Revenues from contracts with customers				1,712
Accounts Receivable				1,400
Customer D
The Company and Summary of Significant Accounting Policies
Revenues from contracts with customers				1,670
Accounts Receivable			661	687
Customer E
The Company and Summary of Significant Accounting Policies
Accounts Receivable				$ 610
Customer F
The Company and Summary of Significant Accounting Policies
Accounts Receivable			1,250
Customer G
The Company and Summary of Significant Accounting Policies
Revenues from contracts with customers			3,000
Customer H
The Company and Summary of Significant Accounting Policies
Accounts Receivable			$ 938
Revenue
The Company and Summary of Significant Accounting Policies
Number of customers \| customer			2	4
Revenue \| Two customers
The Company and Summary of Significant Accounting Policies
Number of customers \| customer	2
Revenue \| Four customers
The Company and Summary of Significant Accounting Policies
Number of customers \| customer			4
Revenue \| Customer concentration \| Two customers
The Company and Summary of Significant Accounting Policies
Concentration risk percentage			38.00%
Revenue \| Customer concentration \| Four customers
The Company and Summary of Significant Accounting Policies
Concentration risk percentage				66.00%
Revenue \| Customer concentration \| Customer A
The Company and Summary of Significant Accounting Policies
Concentration risk percentage	61.00%		28.00%
Revenue \| Customer concentration \| Customer B
The Company and Summary of Significant Accounting Policies
Concentration risk percentage	24.00%		28.00%
Revenue \| Customer concentration \| Customer C
The Company and Summary of Significant Accounting Policies
Concentration risk percentage			25.00%
Revenue \| Customer concentration \| Customer D
The Company and Summary of Significant Accounting Policies
Concentration risk percentage			10.00%
Accounts receivable
The Company and Summary of Significant Accounting Policies
Number of customers \| customer			4	5
Accounts receivable \| Four customers
The Company and Summary of Significant Accounting Policies
Number of customers \| customer	4		4
Accounts receivable \| Customer concentration \| Four customers
The Company and Summary of Significant Accounting Policies
Concentration risk percentage			70.00%
Accounts receivable \| Customer concentration \| Five customers
The Company and Summary of Significant Accounting Policies
Concentration risk percentage				90.00%
Accounts receivable \| Customer concentration \| Customer A
The Company and Summary of Significant Accounting Policies
Concentration risk percentage	28.00%		27.00%
Accounts receivable \| Customer concentration \| Customer B
The Company and Summary of Significant Accounting Policies
Concentration risk percentage	19.00%		19.00%
Accounts receivable \| Customer concentration \| Customer C
The Company and Summary of Significant Accounting Policies
Concentration risk percentage	18.00%		14.00%
Accounts receivable \| Customer concentration \| Customer D
The Company and Summary of Significant Accounting Policies
Concentration risk percentage	13.00%		10.00%