Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 32,712	$ 62,126
Accounts receivable, net of allowance for doubtful accounts of $158 and $180	3,656	15,304
Other current assets	7,245	8,710
Total current assets	43,613	86,140
Non‑current assets
Property and equipment, net	4,179	3,178
Intangible assets, net	11,617	13,260
Goodwill	15,031	15,031
Other long-term assets	1,657	3,461
Total non‑current assets	32,484	34,930
Total assets	76,097	121,070
Current liabilities
Accounts payable	1,662	8,964
Accrued liabilities	7,665	7,789
Deferred revenue	1,850	3,532
Current portion of contingent consideration	17,764
Current portion of notes payable	19	11,840
Total current liabilities	28,960	32,125
Non‑current liabilities
Long-term notes payable, net of current portion	9,993	15,926
Contingent consideration	16,028	29,932
Other long-term liabilities	1,389	1,921
Total non‑current liabilities	27,410	47,779
Total liabilities	56,370	79,904
Commitments and contingencies
Stockholders' equity
Preferred stock, $0.001 par value, 5,000,000 authorized; 0 (2021 and 2020) issued and outstanding
Common stock, $0.001 par value, 200,000,000 authorized; 30,789,649 (2021) and 26,561,504 (2020) shares issued and outstanding	31	27
Additional paid‑in capital	321,669	299,953
Accumulated deficit	(301,973)	(258,814)
Total stockholders' equity	19,727	41,166
Total liabilities and stockholders' equity	$ 76,097	$ 121,070