Condensed Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 23,586	$ 32,712
Accounts receivable, net of allowance for doubtful accounts of $52 and $158	5,452	3,656
Other current assets	6,019	7,245
Total current assets	35,057	43,613
Non‑current assets
Restricted cash	5,000
Property and equipment, net	3,950	4,179
Intangible assets, net	10,688	11,617
Operating lease right-of-use assets	3,952
Goodwill	15,031	15,031
Other long-term assets	1,551	1,657
Total non‑current assets	40,172	32,484
Total assets	75,229	76,097
Current liabilities
Accounts payable	1,791	1,662
Accrued liabilities	6,667	7,665
Deferred revenue	2,230	1,850
Current portion of operating lease liabilities	1,315
Current portion of contingent consideration	8,151	17,764
Current portion of notes payable	11,771	19
Other current liabilities	1,149
Total current liabilities	33,074	28,960
Non‑current liabilities
Long‑term notes payable, net of current portion	8,596	9,993
Long-term operating lease liabilities	2,902
Contingent consideration	22,916	16,028
Other long-term liabilities	70	1,389
Total non‑current liabilities	34,484	27,410
Total liabilities	67,558	56,370
Commitments and contingencies
Stockholders' equity
Preferred stock, $0.001 par value, 5,000,000 shares authorized; 0 (2022 and 2021) shares issued and outstanding
Common stock, $0.001 par value, 200,000,000 shares authorized; 39,978,844 (2022) and 30,789,649 (2021) shares issued and outstanding	40	31
Additional paid‑in capital	341,014	321,669
Accumulated deficit	(333,383)	(301,973)
Total stockholders' equity	7,671	19,727
Total liabilities and stockholders' equity	$ 75,229	$ 76,097