Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 9,831	$ 16,078
Accounts receivable, net of allowance for doubtful accounts and other adjustments of $3 and $2 (2022 and 2021, respectively)	12,058	10,590
Prepaid expenses and other current assets	2,197	1,988
Total current assets	24,086	28,656
Equipment and improvements, net	2,407	2,698
Right-of-use assets	5,372	5,710
Other assets	616	620
Intangible assets, net	40,987	42,631
Goodwill	35,041	35,041
Total assets	108,509	115,356
Current liabilities:
Accounts payable	3,148	3,301
Accrued payroll and benefits	4,026	4,055
Current operating lease liabilities	1,401	1,400
Other accrued liabilities	722	436
Deferred revenue	45	176
Total current liabilities	9,342	9,368
Non-current liabilities:
Operating lease liabilities	4,072	4,467
Deferred rent	795	844
Deferred tax liabilities, net	117	117
Total non-current liabilities	4,984	5,428
Commitments and contingencies
Stockholders' equity:
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 55,155,755 and 54,259,390 shares issued and outstanding (2022 and 2021, respectively)	55	54
Additional paid-in capital	353,403	352,779
Accumulated comprehensive deficit	(259,275)	(252,273)
Total stockholders’ equity	94,183	100,560
Total liabilities and stockholders' equity	$ 108,509	$ 115,356