Condensed Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 23,442	$ 21,409
Accounts receivable, net	12,550	8,193
Inventory	7,862	6,396
Prepaid expenses and other current assets	292	762
Total current assets	44,146	36,760
Property and equipment, net	2,659	973
Right-of-use assets	6,916	913
Other assets	62	734
Total assets	53,783	39,380
Current liabilities:
Accounts payable	3,399	1,776
Accrued liabilities	2,441	3,579
Deferred revenue	807	832
Current portion of long-term debt	3,182	3,370
Lease liabilities	1,106	724
Other liabilities	29	50
Total current liabilities	10,964	10,331
Long-term debt, net of current portion		1,529
Lease liabilities, net of current portion	5,864	68
Long-term income tax liability	214	214
Total liabilities	17,042	12,142
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.0001 par value per share; 5,000,000 shares authorized; no shares issued and outstanding as of September 30, 2022 and December 31, 2021
Common stock, $0.0001 par value per share; 100,000,000 shares authorized; 20,276,746 and 19,858,460 shares issued and outstanding as of September 30, 2022, and December 31, 2021	2	2
Additional paid-in capital	184,057	180,067
Accumulated deficit	(147,318)	(152,831)
Total stockholders' equity	36,741	27,238
Total liabilities and stockholders' equity	$ 53,783	$ 39,380