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SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) institution segment | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Product Information [Line Items] |  |  |  |  |
Goodwill, impairment charges | $ 0 | $ 0 | $ 0 | $ 0 |
Intangible assets, impairment charges | 0 | 0 | 0 | 0 |
Advertising costs | 21,000 | 105,000 | 46,000 | 183,000 |
Deferred revenue | 3,038,000 |  | 3,038,000 |  | $ 1,001,000
Revenue recognized |  |  | 1,000,000 | $ 2,130,000 |
Accounts receivable, net of allowance for doubtful accounts | 2,676,000 |  | 2,676,000 |  | 4,675,000
Accounts receivable, allowance for doubtful accounts | 100,000 |  | $ 100,000 |  | 100,000
Number of financial institutions | institution |  |  | 3 |  |
Number of operating segments | segment |  |  | 1 |  |
Number of reportable segments | segment |  |  | 1 |  |
Three Customers | Revenue from Contract with Customer Benchmark | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent |  |  | 58.00% | 45.00% |
Three Customers | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent |  |  |  | 61.00% |
Customer One | Revenue from Contract with Customer Benchmark | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent |  |  | 31.00% | 19.00% |
Customer One | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent |  |  | 2.00% | 37.00% |
Customer Two | Revenue from Contract with Customer Benchmark | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent |  |  | 18.00% | 14.00% |
Customer Two | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent |  |  | 34.00% | 1.00% |
Customer Three | Revenue from Contract with Customer Benchmark | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent |  |  | 9.00% | 12.00% |
Customer Three | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent |  |  | 6.00% | 12.00% |
Customer Four | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent |  |  |  | 11.00% |
Four Customers | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent |  |  | 42.00% |  |
Fair Value, Inputs, Level 1 |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Cash, cash equivalents and short-term investments | 8,573,000 |  | $ 8,573,000 |  | $ 4,666,000
Retirement Savings 401k Plan |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Retirement plan, maximum employee contribution, percent |  |  | 35.00% |  |
Retirement plan, employer matching contribution, percent of match |  |  | 50.00% |  |
Retirement plan, employer matching contribution, percent of employees' gross pay |  |  | 6.00% |  |
Retirement plan, matching contributions | $ 29,000 | $ 0 | $ 29,000 | $ 0 |
Minimum |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Property and equipment, useful life | 3 years |  | 3 years |  |
Maximum |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Property and equipment, useful life | 7 years |  | 7 years |  |

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