CONDENSED COMBINED AND CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Sales
Total sales	$ 1,509	$ 331
Cost of sales
Total cost of sales	1,425	608
Gross margin	84	(277)
Operating Expenses:
Research and development	8,334	4,474
General and administrative	11,360	1,858
Sales and marketing	4,161	1,196
Total operating expenses	23,855	7,528
Loss from operations	(23,771)	(7,805)
Interest income	1	5
Other income (expense), net	(5)	6
Loss before provision for income taxes	(23,775)	(7,794)
Provision for income taxes	0	0
Net loss and comprehensive loss	$ (23,775)	$ (7,794)
Net loss per common share attributable to common stockholders, basic and diluted	$ (0.34)	$ (4.86)
Weighted-average shares used to compute net loss per share attributable to common stockholders, basic and diluted	70,332,349	1,602,732
Device
Sales
Total sales	$ 1,192	$ 169
Cost of sales
Total cost of sales	1,037	548
Service
Sales
Total sales	317	162
Cost of sales
Total cost of sales	$ 388	$ 60