Condensed Unaudited Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 113,568	$ 50,725
Accounts receivable, net of allowance of $2,066 and $2,207 as of June 30, 2021 and December 31, 2020 respectively	72,044	79,366
Prepaid expenses	2,662	3,903
Other current assets	6,122	7,374
Total current assets	194,396	141,368
Property and equipment, net	5,738	6,117
Website and software development costs, net	38,615	32,891
Intangible assets, net	32,734	28,591
Goodwill	81,924	76,432
Deferred tax assets,	199	366
Other non-current assets	905	521
Total non-current assets	160,115	144,918
Total assets	354,511	286,286
Current liabilities:
Accounts payable	30,869	40,976
Accrued expenses	48,867	44,622
Acquisition related liabilities	6,275	6,018
Deferred revenue	3,612	4,053
Other current liabilities	7,356	8,310
Total current liabilities	96,979	103,979
Non-current liabilities:
Long term borrowings	183,443	189,693
Acquisition related liabilities	18,446	17,137
Warrants and derivative liabilities		58,100
Other non-current liabilities	2,585	2,387
Total non-current liabilities	204,474	267,317
Total liabilities	301,453	371,296
Commitments and contingencies (Note 8)
Mezzanine equity
Redeemable convertible preferred stock $0.001 per share par value, up to 60,137,979 shares authorized and 39,223,194 shares issued and outstanding as of December 31, 2020		154,210
Treasury common stock, 8,195,464 shares repurchased at a weighted average price of $2.86 per share	(23,469)	(23,469)
Additional paid-in capital	439,999	28,425
Accumulated deficit	(361,550)	(242,254)
Accumulated other comprehensive loss	(2,112)	(2,037)
Total stockholders' equity / (deficit)	53,058	(239,220)
Total liabilities and stockholders' equity / (deficit)	354,511	286,286
Common Class A [Member]
Mezzanine equity
Common stock value	152
Total stockholders' equity / (deficit)	152
Common Class B [Member]
Mezzanine equity
Common stock value	38
Total stockholders' equity / (deficit)	$ 38
Series A Common Stock [Member]
Mezzanine equity
Common stock value		112
Total stockholders' equity / (deficit)		112
Series B Common Stock [Member]
Mezzanine equity
Common stock value		3
Total stockholders' equity / (deficit)		$ 3