Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities
Net loss	$ (20,255)	$ (15,999)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,333	537
Operating lease right-of-use assets expense	2,649	0
Foreign currency remeasurement loss (gain)	1,386	(134)
Provision for doubtful accounts	519	(732)
Stock-based compensation	18,678	17,799
Gain on disposal of property and equipment	(45)	(15)
Deferred income taxes	(37)	(981)
Change in value of earn-out and warrant liabilities	(5,840)	0
Changes in operating assets and liabilities:
Accounts receivable and long-term unbilled receivables	2,522	2,399
Prepaid expenses and other current assets	1,452	(1,994)
Deferred contract costs and other assets	(5,025)	(1,955)
Accounts payable, accrued expenses and other liabilities	(6,654)	(4,144)
Deferred revenue	2,721	3,298
Net cash used in operating activities	(6,596)	(1,921)
Investing activities
Maturities of investments	1,093	0
Purchases of investments	(180,041)	(423)
Net assets acquired from business combinations and asset acquisitions, net of cash acquired	(2,222)	0
Capitalization of internal use software	(1,174)	0
Purchase of property and equipment	(2,234)	(897)
Net cash used in investing activities	(184,578)	(2,951)
Financing activities
Payments of transaction fees	0	(1,872)
Purchase of common stock	(10,042)	0
Proceeds from stock option exercises	1,719	3,277
Proceeds from sale of common shares of subsidiary	0	753
Repayments of finance leases	(11)	(14)
Net cash (used in) provided by financing activities	(8,334)	2,144
Effect of exchange rates on cash	(3,647)	(46)
Net decrease in cash and cash equivalents	(203,155)	(2,774)
Cash and cash equivalents at beginning of period	268,217	69,112
Cash and cash equivalents at end of period	65,062	66,338
Supplemental disclosures of cash flow information
Income taxes paid	420	2,389
Noncash acquisition	5,635	0
Merger [Member]
Investing activities
Purchase of APXT shares	$ 0	$ (1,631)