Condensed Unaudited Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023		Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 117,066		$ 121,110
Accounts receivable, net of allowance of $3,045 and $1,882 as of June 30, 2023 and December 31, 2022, respectively	122,023		106,322
Prepaid expenses	5,393		7,150
Other current assets	2,062		1,866
Total current assets	246,544		236,448
Non-current assets:
Property and equipment, net	6,673		5,981
Website and software development costs, net	34,482		36,713
Right-to-use assets - operating leases, net	6,458		7,388
Intangible assets, net	52,029		44,358
Goodwill	140,903		133,069
Deferred tax assets, net	771		745
Other non-current assets	3,346		1,800
Total non-current assets	244,662		230,054
Total assets	491,206		466,502
Current liabilities:
Accounts payable	55,925		33,668
Accrued expenses	64,463		72,364
Acquisition-related liabilities	19,165		14,743
Deferred revenue	3,381		2,228
Other current liabilities	4,356		5,707
Total current liabilities	147,290		128,710
Non-current liabilities:
Long term borrowings	183,942		183,953
Acquisition related liabilities	15,583		17,932
Other non-current liabilities	7,043		7,877
Total non-current liabilities	206,568		209,762
Total liabilities	353,858		338,472
Commitments and contingencies (Note 8)
Stockholders' equity:
Additional paid-in capital	1,019,144		900,924
Accumulated deficit	(880,170)		(771,056)
Accumulated other comprehensive loss	(1,840)		(2,045)
Total stockholders' equity	137,348	[1]	128,030	[2]
Total liabilities and stockholders' equity	491,206		466,502
Common Class A [Member]
Stockholders' equity:
Common stock value	182		175
Common Class B [Member]
Stockholders' equity:
Common stock value	$ 32		$ 32

[1] Includes 141,053,113 outstanding Class A common stock, 16,105,977 outstanding Class B common stock, 40,977,464 unvested Class A restricted stock and 15,617,402 unvested Class B restricted stock

[2] Includes 132,909,894 outstanding Class A common stock, 15,512,217 outstanding Class B common stock, 42,357,023 unvested Class A restricted stock and 16,587,085 unvested Class B restricted stock