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CONDENSED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (2,737) $ (3,290)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation and amortization 210 209
Stock-based compensation 1,347 1,768
Allowance for credit losses 23 6
Change in accrued interest and accretion of discount on short-term investments (154) 0
Changes in assets and liabilities:    
(Increase) in accounts receivable (1,284) (449)
(Increase) decrease in other current assets and long-term assets 31 176
(Decrease) in accounts payable and accrued expenses 204 (588)
Increase in deferred revenue 1,246 457
Net cash used in operating activities (1,114) (1,711)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of property and equipment (68) (165)
Proceeds from maturity of short-term investments 5,000 0
Purchases of short-term investments (4,914) 0
Net cash provided by (used in) investing activities 18 (165)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds of insurance financing arrangement 49 0
Withholding taxes paid on RSU vesting (54) 0
Repayment of insurance financing arrangements (133) 0
Net cash used in financing activities (138) 0
Net decrease in cash (1,234) (1,876)
CASH, beginning of period 5,196 13,651
CASH, end of period 3,962 11,775
Supplemental disclosures of cash flow information:    
Cash paid for interest 2 0
Cash paid for income taxes $ 78 $ 0