Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities
Net income/(loss)	$ (7,700)	$ (12,599)	$ 10,807
Adjustments to reconcile net income/(loss) to net cash provided by operating activities:
Depreciation and amortization	5,049	2,672	2,311
Impairment of goodwill	0	0	139
Bad debt expense	45	398	0
Deferred income taxes	2,611	(4,135)	(425)
Stock-based compensation	33,036	20,006	2,441
Change in fair value of warrants	979	0	0
Changes in operating assets and liabilities:
Accounts receivable	(18,676)	(1,418)	(885)
Unbilled receivables	(849)	3,237	(722)
Prepaid income taxes	237	(410)	121
Deferred transaction costs	0	0	(1,878)
Prepaid expenses and other current assets	(1,176)	373	(1,101)
Accounts payable	957	(49)	301
Accrued liabilities	18	(1,579)	(552)
Accrued compensation and benefits	873	(255)	1,424
Accrued income taxes	532	(166)	712
Other current liabilities	2,037	(143)	(159)
Net cash provided by operating activities	17,973	5,932	12,534
Cash flows from investing activities
Purchase of property and equipment	(4,716)	(2,252)	(2,811)
Acquisition of business, net of cash acquired (Note 4)	(30,650)	(16,087)	0
Net cash used in investing activities	(35,366)	(18,339)	(2,811)
Cash flows from financing activities
Cash received from ChaSerg	0	208,997	0
GDI shares redeemed for cash	0	(123,865)	0
Proceeds related to issuance of Common Stock from July 2021 Offering	78,311	0	0
Equity issuance costs	(498)	(2,264)	0
Sales of common and preferred stock	0	0	14,904
Payments of dividends	0	0	(2,000)
Payments of tax obligations resulted from exercises of stock options, net of proceeds	(27,528)	99	1,700
Payments of tax obligations resulted from net share settlement of vested stock units	(49,296)	0	0
Proceeds from exercise of warrants	48,145	0	0
Net cash provided by financing activities	49,134	82,967	14,604
Effect of exchange rate changes on cash and cash equivalents	(122)	(4)	0
Net increase in cash and cash equivalents	31,619	70,556	24,327
Cash and cash equivalents, beginning of period	112,745	42,189	17,862
Cash and cash equivalents, end of period	144,364	112,745	42,189
Supplemental disclosure of cash flow information:
Cash paid for income taxes	2,448	2,128	3,195
Supplemental disclosure of non-cash activities
Accrued software implementation costs	0	0	227
Acquisition fair value of contingent consideration issued for acquisition of business	4,986	1,947	0
Conversion of preferred stock to common stock	$ 0	$ 9,187	$ 0