Revenue and Deferred Revenue (Tables)

6 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Summary of Revenue by Source

Revenue by source consists of the following (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Consoles	$	13,228	$	16,857	$	31,279	$	31,623
Consumables		6,393		3,771		14,006		7,215
Total product revenue		19,621		20,628		45,285		38,838
Service and other revenue		5,436		4,588		10,322		9,294
Total revenue	$	25,057	$	25,216	$	55,607	$	48,132