Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 32,372	$ 25,754
Accounts receivable, net of allowance for doubtful accounts and other adjustments of $0 (2021 and 2020)	12,616	12,347
Prepaid expenses and other current assets	1,926	1,189
Total current assets	46,914	39,290
Equipment and improvements, net	3,212	2,170
Right-of-use assets	6,051	5,785
Other assets	700	694
Intangible assets, net	38,240	12,698
Goodwill	39,591	12,266
Total assets	134,708	72,903
Current liabilities:
Accounts payable	4,326	2,282
Accrued payroll and benefits	3,956	2,867
Current operating lease liabilities	1,440	1,433
Other accrued liabilities	14,588	216
Deferred revenue	701	1,572
Total current liabilities	25,011	8,370
Non-current liabilities:
Operating lease liabilities	4,860	4,805
Deferred rent	892	887
Deferred tax liabilities, net	59	59
Other long term liabilities	66	66
Total non-current liabilities	5,877	5,817
Commitments and contingencies
Stockholders' equity:
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 54,573,823 and 41,232,804 shares issued and outstanding (2021 and 2020, respectively)	55	41
Additional paid-in capital	352,030	279,905
Accumulated comprehensive deficit	(248,265)	(221,230)
Total stockholders’ equity	103,820	58,716
Total liabilities and stockholders' equity	$ 134,708	$ 72,903