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SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
3 Months Ended
Mar. 31, 2025
USD ($)
segment
institution
Mar. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
Product Information [Line Items]      
Goodwill, impairment charges $ 0 $ 0  
Intangible assets, impairment charges 0 0  
Capitalized software development costs, impairment charges 0 0  
Advertising costs 25,000 78,000  
Deferred revenue 4,518,000   $ 1,001,000
Revenue recognized 780,000 $ 555,000  
Accounts receivable, net of allowance for doubtful accounts 7,506,000   4,675,000
Accounts receivable, allowance for doubtful accounts $ 100,000   100,000
Number of financial institutions | institution 2    
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 56.00% 44.00%  
Three Customers | Accounts Receivable | Customer Concentration Risk      
Product Information [Line Items]      
Business concentration risk, percent   56.00%  
Customer One | Revenue from Contract with Customer Benchmark | Customer Concentration Risk      
Product Information [Line Items]      
Business concentration risk, percent 28.00% 19.00%  
Customer One | Accounts Receivable | Customer Concentration Risk      
Product Information [Line Items]      
Business concentration risk, percent 64.00% 36.00%  
Customer Two | Revenue from Contract with Customer Benchmark | Customer Concentration Risk      
Product Information [Line Items]      
Business concentration risk, percent 19.00% 13.00%  
Customer Two | Accounts Receivable | Customer Concentration Risk      
Product Information [Line Items]      
Business concentration risk, percent 13.00% 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 4.00% 7.00%  
Customer Four | Accounts Receivable | Customer Concentration Risk      
Product Information [Line Items]      
Business concentration risk, percent   12.00%  
Four Customers | Accounts Receivable | Customer Concentration Risk      
Product Information [Line Items]      
Business concentration risk, percent 81.00%    
Fair Value, Inputs, Level 1      
Product Information [Line Items]      
Cash, cash equivalents and short-term investments $ 5,148,000   $ 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 $ 0 $ 0  
Minimum      
Product Information [Line Items]      
Property and equipment, useful life 3 years    
Maximum      
Product Information [Line Items]      
Property and equipment, useful life 7 years