SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)	12 Months Ended
Dec. 31, 2023 USD ($) financial_institution supplier segment	Dec. 31, 2022 USD ($)
Product Information [Line Items]
Goodwill, impairment charges	$ 0	$ 0
Intangible assets, impairment charges	0	0
Capitalized software development costs, impairment charges	0	0
Deferred revenue, current portion	2,209,000	906,000
Deferred revenue, noncurrent portion	0	1,000
Advertising costs	536,000	683,000
Equity awards liability	$ 4,000	54,000
Number of financial institutions \| financial_institution	2
Number of suppliers \| supplier	4
Number of reporting segments \| segment	1
Number of operating segments \| segment	1
Fair Value, Inputs, Level 1
Product Information [Line Items]
Cash, cash equivalents and short-term investments	$ 8,980,000	10,076,000
Fair Value, Inputs, Level 2
Product Information [Line Items]
Equity awards liability	$ 4,000	$ 54,000
Minimum
Product Information [Line Items]
Property and equipment, useful life	3 years
Maximum
Product Information [Line Items]
Property and equipment, useful life	7 years
Three Customers \| Revenue from Contract with Customer Benchmark \| Customer Concentration Risk
Product Information [Line Items]
Business concentration risk, percent	47.00%	52.00%
Three Customers \| Accounts Receivable \| Customer Concentration Risk
Product Information [Line Items]
Business concentration risk, percent	66.00%
Customer One \| Revenue from Contract with Customer Benchmark \| Customer Concentration Risk
Product Information [Line Items]
Business concentration risk, percent	21.00%	22.00%
Customer One \| Accounts Receivable \| Customer Concentration Risk
Product Information [Line Items]
Business concentration risk, percent	37.00%	37.00%
Customer Two \| Revenue from Contract with Customer Benchmark \| Customer Concentration Risk
Product Information [Line Items]
Business concentration risk, percent	14.00%	17.00%
Customer Two \| Accounts Receivable \| Customer Concentration Risk
Product Information [Line Items]
Business concentration risk, percent	6.00%	11.00%
Customer Three \| Revenue from Contract with Customer Benchmark \| Customer Concentration Risk
Product Information [Line Items]
Business concentration risk, percent	12.00%	13.00%
Customer Three \| Accounts Receivable \| Customer Concentration Risk
Product Information [Line Items]
Business concentration risk, percent	23.00%	1.00%
Four Customers \| Accounts Receivable \| Customer Concentration Risk
Product Information [Line Items]
Business concentration risk, percent		63.00%
Customer Four \| Accounts Receivable \| Customer Concentration Risk
Product Information [Line Items]
Business concentration risk, percent		14.00%

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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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.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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