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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Cash flows from operating activities:    
Net loss $ (1,598) $ (982)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 144 139
Stock-based compensation 180 164
Allowance for credit losses 33  
Non-cash lease expense 13 17
Changes in assets and liabilities:    
Accounts receivable 61 (1,302)
Unbilled receivables (75) (167)
Prepaid expenses and other current assets (441) (12)
Accounts payable (146) 511
Accrued expenses (483) (675)
Deferred revenue (628) (104)
Net cash used in operating activities (2,940) (2,411)
Cash flows from investing activities:    
Purchases of property and equipment (45)  
Purchase of marketable securities (2,730)  
Sale of marketable securities 1,250 6,724
Net cash (used in) provided by investing activitie (1,525) 6,724
Cash flows from financing activities:    
Repurchase of common stock (53)  
Net cash used in financing activities (53)  
(Decrease) increase in cash and cash equivalents (4,518) 4,313
Cash and cash equivalents, beginning of period 12,972 10,002
Cash and cash equivalents, end of period 8,454 $ 14,315
Supplemental disclosure: Cash paid for income taxes $ 7