CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 89,376	$ 81,188
Marketable securities	47,355	19,793
Accounts receivable - net	228,387	219,511
Prepaid expenses and other current assets	12,974	6,622
Total Current Assets	378,092	327,114
Property, equipment and software - net	51,927	30,044
Goodwill	6,250	6,250
Deferred income tax asset	495	762
Other assets, non-current	2,081	7,076
TOTAL ASSETS	438,845	371,246
Current Liabilities
Accounts payable	195,332	176,731
Accrued liabilities	17,661	14,844
Total Current Liabilities	212,993	191,575
Deferred tax liability	2,698	1,561
Other liabilities, non-current	2,317	2,683
TOTAL LIABILITIES	218,008	195,819
Commitments and contingencies (Note 6)
Stockholders' Equity
Preferred stock, $0.0001 par value per share, 10,000,000 shares authorized as of September 30, 2021 and December 31, 2020; No shares issued and outstanding as of September 30, 2021 and December 31, 2020	0	0
Common stock, par value $0.0001 per share; 1,000,000,000 Class A shares authorized as of September 30, 2021 and December 31, 2020; 27,436,489 and 6,801,368 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively; 1,000,000,000 Class B shares authorized as of September 30, 2021 and December 31, 2020; 23,443,849 and 42,186,774 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively.	6	6
Treasury stock, at cost - 3,140,437 and 3,139,295 shares as of September 30, 2021 and December 31, 2020, respectively.	(11,486)	(11,434)
Additional paid-in capital	161,261	144,163
Accumulated other comprehensive income	0	1
Retained earnings	71,056	42,691
Total Stockholders' Equity	220,837	175,427
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 438,845	$ 371,246