Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 32,464	$ 34,006
Accounts receivable, net	34,596	38,890
Prepaid expenses and other	7,403	9,275
Total current assets	74,463	82,171
Property and equipment, net	24,583	29,948
ROU assets	25,290	29,798
Contract acquisition costs	675	872
Goodwill	6,334	6,334
Other assets	4,184	3,490
Total assets	135,529	152,613
Current liabilities:
Accounts payable	2,246	1,204
Accrued expenses	2,568	3,217
Accrued compensation and benefits	16,129	18,342
Revolver	15,000	15,000
Operating lease liabilities	10,008	10,797
Other current liabilities	1,015	1,209
Total current liabilities	46,966	49,769
Operating lease liabilities, net of current portion	21,408	25,975
Other long-term liabilities	1,742	1,593
Total liabilities	70,116	77,337
Commitments and contingencies (Note 9)
Stockholders' equity:
Preferred stock, $0.0001 par value; 20,000 shares authorized and none issued and outstanding
Common stock, $0.0001 par value; 1,000,000 shares authorized; 97,959 shares issued and 97,838 shares outstanding as of June 30, 2021; 97,248 shares issued and 97,127 shares outstanding as of December 31, 2020	10	10
Treasury stock	(441)	(441)
Additional paid-in capital	383,403	379,696
Accumulated deficit	(318,533)	(304,607)
Accumulated other comprehensive income	974	618
Total stockholders' equity	65,413	75,276
Total liabilities and stockholders' equity	$ 135,529	$ 152,613