Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2022

Revenue from Contract with Customer [Abstract]

Schedule of Revenues Recognized

Revenue recognized for each revenue stream is as follows:

Financial Statement Caption	Revenue Stream	Three Months Ended September 30,				Nine Months Ended September 30,
Product revenue:		2022		2021		2022		2021
	Pellet procedures	$	32,981	$	28,090	$	96,247	$	80,941
	Dietary supplements		8,066		6,803		21,719		19,023
	Disposable trocars		509		220		1,110		633
	Shipping fees		18		6		45		22
Total product revenue			41,574		35,119		119,121		100,619
Service revenue:
	Training		186		212		707		528
	Contract-term services		210		236		644		713
Total service revenue			396		448		1,351		1,241
Total revenue		$	41,970	$	35,567	$	120,472	$	101,860

Revenue recognized by geographic region is as follows:

Financial Statement Caption	Country	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
Product revenue:		2022		2021		2022		2021
	United States	$	41,469	$	35,054	$	118,845	$	100,435
	All other		105		65		276		184
Total product revenue			41,574		35,119		119,121		100,619
Service revenue:
	United States		385		448		1,332		1,241
	All other		11		—		19		—
Total service revenue			396		448		1,351		1,241
Total revenue		$	41,970	$	35,567	$	120,472	$	101,860

Summary of Significant Changes in Contract Liability Balances

Significant changes in contract liability balances are as follows:

	Nine Months Ended September 30,
	2022						2021
Description of change	Deferred Revenue			Deferred Revenue, Long-term			Deferred Revenue			Deferred Revenue, Long-term
Revenue recognized that was included in the contract liability balance at the beginning of the period	$	(1,445	)	$	—		$	(1,729	)	$	—
Increases due to cash received, excluding amounts recognized as revenue during the period		1,207			591			913			617
Transfers between current and non-current liabilities due to the expected revenue recognition period		412			(412	)		586			(586	)
Total increase (decrease) in contract liabilities	$	174		$	179		$	(230	)	$	31

Summary of Consideration Allocated to Performance Obligations

Consideration allocated to performance obligations are as follows:

	September 30,		December 31,
	2022		2021
Unsatisfied training obligations - Current	$	156	$	67
Unsatisfied contract-term services - Current		1,015		849
Unsatisfied contract-term services - Long-term		569		544
Total allocated to unsatisfied contract-term services		1,584		1,393
Unsatisfied pellet procedures - Current		818		789
Unsatisfied pellet procedures - Long-term		293		258
Total allocated to unsatisfied pellet procedures		1,111		1,047
Total deferred revenue - Current	$	1,989	$	1,705
Total deferred revenue - Long-term	$	862	$	802