CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 46,881	$ 113,079
Marketable securities	40,725
Accounts receivable, net	10,472	9,444
Inventories, net	13,218	9,014
Prepaid expenses and other current assets	8,598	9,277
Total current assets	119,894	140,814
Property and equipment, net	9,390	7,487
Restricted cash	302	302
Demo inventory, net	2,035	2,548
Intangible assets, net	20,799	21,150
Goodwill	18,262	18,262
Operating lease right of use assets, net	11,687
Financing lease right of use assets, net	1,546
Other assets	348	344
Total assets	184,263	190,907
Current liabilities
Accounts payable	13,372	9,435
Accrued expenses and other current liabilities	11,503	13,491
Current portion of operating lease liabilities	3,015
Current portion of financing lease liabilities	578
Current portion of capital lease liabilities		272
Deferred revenue	5,315	4,484
Total current liabilities	33,783	27,682
Deferred revenue, net of current portion	1,554	1,330
Long-term debt, net of debt discount	42,565	32,471
Deferred tax liability, net	125	26
Capital lease liabilities, net of current portion		197
Operating lease liabilities, net of current portion	9,066
Financing lease liabilities, net of current portion	721
Contingent consideration liability (Note 4), net of current portion	5,599	7,850
Total liabilities	93,413	69,556
Stockholders' equity
Preferred Stock, $0.00001 par value; 10,000,000 shares authorized; 0 shares issued and outstanding at June 30, 2022; 0 shares authorized, issued and outstanding at December 31, 2021
Common Stock, $0.00001 par value; 500,000,000 shares authorized at June 30, 2022 and December 31, 2021; 37,766,655 and 37,424,101 shares issued and outstanding at June 30, 2022 and December 31, 2021, respectively	2	2
Additional paid in capital	220,941	217,456
Accumulated deficit	(130,001)	(96,107)
Other comprehensive loss	(92)
Total stockholders' equity	90,850	121,351
Total liabilities and stockholders' equity	$ 184,263	$ 190,907