Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 5,357	$ 16,078
Accounts receivable, net of allowance for doubtful accounts of $3 and $2 (2022 and 2021, respectively)	11,562	10,590
Prepaid expenses and other current assets	2,514	1,988
Total current assets	19,433	28,656
Equipment and improvements, net	2,129	2,698
Right-of-use assets	4,291	4,866
Other assets	541	620
Intangible assets, net	39,410	42,631
Goodwill	35,041	35,041
Total assets	100,845	114,512
Current liabilities:
Accounts payable	3,774	3,301
Accrued payroll and benefits	3,759	4,055
Current operating lease liabilities	1,400	1,400
Other accrued liabilities	1,227	612
Total current liabilities	10,160	9,368
Non-current liabilities:
Operating lease liabilities	3,640	4,467
Deferred tax liabilities, net	117	117
Total non-current liabilities	3,757	4,584
Commitments and contingencies
Stockholders' equity:
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 55,121,767 and 54,259,390 shares issued and outstanding (2022 and 2021, respectively)	55	54
Additional paid-in capital	354,641	352,779
Accumulated comprehensive deficit	(267,768)	(252,273)
Total stockholders’ equity	86,928	100,560
Total liabilities and stockholders' equity	$ 100,845	$ 114,512