Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 49,392	$ 80,382
Marketable securities	41,984
Accounts receivable, net of $11,084 and $6,320 of allowances at June 30, 2020 and December 31, 2019, respectively	64,996	47,059
Prepaid expenses and other current assets	3,333	5,003
Total current assets	159,705	132,444
Property and equipment, net	3,604	3,083
Goodwill	11,880	11,880
Intangible assets, net	1,754	2,375
Other noncurrent assets	611	652
Total assets	177,554	150,434
Current liabilities:
Accounts payable	31,935	19,388
Accrued expenses and other current liabilities	25,733	16,775
Total current liabilities	57,668	36,163
Other noncurrent liabilities	327
Total liabilities	57,995	36,163
Commitments and Contingencies (Note 7)
STOCKHOLDERS' EQUITY
Common stock, $0.0001 par value; 1,000,000,000 shares authorized at June 30, 2020 and December 31, 2019; 85,778,057 and 84,188,202 shares issued and outstanding at June 30, 2020 and December 31, 2019, respectively	9	8
Additional paid-in capital	231,792	228,755
Treasury stock, at cost, $0.0001 par value; 615,980 shares at June 30, 2020 and December 31, 2019	(1,009)	(1,009)
Accumulated deficit	(111,238)	(113,483)
Accumulated other comprehensive income	5
Total stockholders' equity	119,559	114,271
Total liabilities and stockholders' equity	$ 177,554	$ 150,434