Unaudited Condensed Consolidated Statement of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities
Net loss	$ (4,094)	$ (7,879)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	3,520	1,896
Bad debt	(17)	398
Deferred income taxes	2,663	(4,519)
Stock-based compensation	21,459	13,584
Change in fair value of warrants	979	0
Changes in assets and liabilities:
Accounts receivable	(10,549)	(2,139)
Unbilled receivables	(1,257)	2,973
Prepaid income taxes	127	(822)
Prepaid expenses and other current assets	(2,062)	10
Accounts payable	676	(250)
Accrued liabilities	16	(576)
Accrued compensation and benefits	1,533	348
Accrued income taxes	848	110
Other current liabilities	813	(136)
Net cash provided by operating activities	14,655	2,998
Cash flows from investing activities
Purchase of property and equipment	(3,016)	(1,607)
Acquisition of Tacit, net of cash acquired (Note 4)	(30,585)	0
Net cash used in investing activities	(33,601)	(1,607)
Cash flows from financing activities
Cash received from ChaSerg	0	208,997
GDI shares redeemed for cash	0	(123,865)
Equity issuance costs	0	(2,264)
Payments of tax obligations resulted from net share settlement of vested stock awards	(21,007)	0
Proceeds from exercises of stock options, net of shares withheld for taxes	619	78
Proceeds from exercise of public warrants	48,145	0
Proceeds related to issuance of Common Stock from July 2021 Offering	78,311	0
Payments for professional fees related to issuance of common stock from July 2021 Offering	(498)	0
Net cash provided by financing activities	105,570	82,946
Effect of exchange rate changes on cash and cash equivalents	(72)	0
Net increase in cash and cash equivalents	86,552	84,337
Cash and cash equivalents, beginning of period	112,745	42,189
Cash and cash equivalents, end of period	199,297	126,526
Supplemental disclosure of cash flow information:
Cash paid for income taxes	1,403	1,370
Supplemental disclosure of non-cash activities
Conversion of preferred stock to common stock	0	9,187
Conversion of private warrants	979	0
Contingent consideration for acquisition of businesses	$ 2,979	$ 0