UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
OPERATING ACTIVITIES:
Net loss	$ (7,536)	$ (12,931)
Adjustments to reconcile net loss to net cash used in operating activities:
Provision for bad debt	(528)	508	$ 1,135
Depreciation and amortization	12,144	11,796
Amortization of right-of-use asset	2,271	1,875
Stock-based compensation expense	10,425	1,805
Fair value changes in financial instruments	(2,449)	602
Fair value changes in business acquisitions contingent consideration	(21)	11,064
Deferred income taxes	1,269	2
Other	143	358
Changes in operating assets and liabilities—net of acquisitions:
Accounts receivable and contract assets	10,037	(29,029)
Prepaid expenses and other current assets	(1,776)	787
Accounts payable and other accrued liabilities	(12,852)	3,186
Accrued payroll and benefits	(7,876)	(2,058)
Payment of contingent consideration	(19,457)
Change in operating leases	(2,122)	(1,878)
Net cash used in operating activities	(18,328)	(13,913)
INVESTING ACTIVITIES:
Purchases of property and equipment	(262)	(922)
Proceeds received from corporate owned insurance	266
Proprietary software development and other software costs	(50)	(204)
Purchase price true ups	(631)
Cash paid for acquisitions—net of cash acquired	(14,328)	(6,272)
Net cash used in investing activities	(15,005)	(7,398)
FINANCING ACTIVITIES:
Repayment of term loan	(4,375)	(547)
Payment of contingent consideration	(10,543)
Repayment of finance leases	(943)	(625)
Proceeds from issuance of common stock for exercised stock options	429	2,185
Dividend payment to the Series A-2 shareholders	(4,100)	(4,100)
Payments of deferred offering costs	(183)
Net cash used in financing activities	(19,715)	(3,087)
CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(53,048)	(24,398)
Foreign exchange impact on cash balance	98	158
Beginning of year	146,741	34,881	34,881
End of period	93,791	10,641	$ 146,741
SUPPLEMENTAL DISCLOSURES OF CASH FLOWS INFORMATION:
Cash paid for interest	184	2,500
Cash paid for income tax		305
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Accrued purchases of property and equipment	1,144	594
Property and equipment purchased under finance leases	512	670
Common stock issued to acquire new businesses		2,271
Acquisitions unpaid contingent consideration	$ 6,995	$ 67,335