CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net income (loss)	$ (393)	$ 355
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	1,064	1,304
Stock-based compensation expense	6,110	4,884
Amortization of acquired intangible assets	843	878
Amortization of costs capitalized to obtain revenue contracts	634	456
Net accretion of discounts on short-term investments	(485)	(231)
Deferred taxes	9	(23)
Other	(74)
Changes in operating assets and liabilities:
Accounts receivable	(2,389)	(4,872)
Prepaid expenses and other current assets	(408)	(973)
Operating lease right-of-use assets	306	302
Other non-current assets	(5,864)	(476)
Accounts payable	1,801	1,261
Accrued compensation and related benefits	(5,214)	(3,132)
Accrued and other liabilities	213	260
Deferred revenues	1,529	723
Billings in excess of recognized revenues	775	(1,510)
Operating lease liabilities	(319)	(188)
Net cash used in operating activities	(1,862)	(982)
Cash flows from investing activities:
Proceeds from maturities and sales of short-term investments	19,000	7,000
Purchases of short-term investments	(19,619)	(6,351)
Purchases of property and equipment	(2,023)	(2,902)
Net cash used in investing activities	(2,642)	(2,253)
Cash flows from financing activities:
Proceeds from exercise of stock options	25	345
Proceeds from employee stock purchase plan	1,916	1,663
Payments for taxes related to net share settlement of equity awards	(3,794)	(4,101)
Repurchases of common stock	(6,899)
Net cash used in financing activities	(8,752)	(2,093)
Effect of exchange rate changes on cash and cash equivalents	(466)	86
Net change in cash and cash equivalents	(13,722)	(5,242)
Cash and cash equivalents at beginning of period	98,978	119,624
Cash and cash equivalents at end of period	85,256	114,382
Supplemental disclosure of cash flow information:
Cash paid during the year for taxes	668	1,985
Cash paid for amounts included in the measurement of operating lease liabilities	405	276
Supplemental disclosure of noncash information:
Property and equipment received and accrued in accounts payable and accrued and other liabilities	745	1,714
Advances for purchase of fixed assets transferred from prepaid assets to property and equipment		$ 21
Operating lease liabilities arising from obtaining right-of-use assets	142
Property and equipment transferred to sales-type lease	$ 3,652