Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net (loss) income	$ (44,206)	$ 39,061
Adjustments to reconcile net income (loss) income to net cash used in operating activities:
Depreciation and amortization	357	7,699
Non-cash lease expense related to operating lease right-of-use assets	0	567
Stock-based compensation	8,709	13,687
Gain on change in fair value of earn-out liability	(110)	(96,400)
Long-lived asset impairment	13,480	0
Loss (gain) on foreign currency exchange rates	(17)	104
Provision for doubtful accounts	388	32
Changes in operating assets and liabilities:
Accounts receivable and unbilled services	(4,262)	(2,507)
Prepaid expenses and other current assets	202	(378)
Other assets	34	94
Accounts payable	(3,258)	(6,250)
Accrued expenses and other current liabilities	(2,416)	(5,879)
Deferred revenue	(1,270)	(5)
Operating lease liabilities	(324)	(294)
Other, net	(32)	115
Net cash used in operating activities	(32,725)	(50,354)
Cash flows from investing activities:
Payments related to capitalized software development costs	(9,714)	(16,228)
Purchase of internal-use software	(750)	0
Purchases of property and equipment	(27)	(159)
Net cash used in investing activities	(10,491)	(16,387)
Cash flows from financing activities:
Proceeds from stock option exercises	26	472
Proceeds from issuance of stock under the employee stock purchase plan	75	0
Payments related to tax withholdings for share-based compensation	(17)	0
Net cash provided by financing activities	84	472
Effect of foreign currency exchange rate changes on cash	44	(3)
Net decrease in cash and cash equivalents	(43,088)	(66,272)
Cash and cash equivalents, beginning of period	108,091	214,601
Cash and cash equivalents, end of period	65,003	148,329
Supplemental disclosures of non-cash activities
Balance in accounts payable, accrued expenses and other current liabilities, and capitalized stock-based compensation related to capitalized software and fixed asset additions	(3,345)	(4,152)
Balance in prepaid expenses and other current assets related to stock option exercises	$ 0	$ 28