Balance Sheet Details

3 Months Ended

Mar. 31, 2022

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Balance Sheet Details

4.  Balance Sheet Details

Restricted Cash

Restricted cash as of March 31, 2022 and December 31, 2021 consisted of a $40,000 security deposit for the Company’s corporate purchasing credit card.

Inventory, Net

Inventory, net consisted of the following (in thousands):

	March 31,		December 31,
	2022		2021
Raw materials	$	1,159	$	802
Work-in-process		4,069		3,844
Finished goods		1,885		1,635
Total inventory, net	$	7,113	$	6,281

As of March 31, 2022 and December 31, 2021, total inventory is recorded net of inventory reserves of $1.0 million and $0.8 million, respectively.

Prepaid Expenses and Other Current Assets 

Prepaid expenses and other current assets consisted of the following (in thousands):

	March 31,		December 31,
	2022		2021
Refundable withholding tax	$	3,375	$	3,375
Prepaid insurance		359		473
Prepaid clinical costs		188		188
Prepaid manufacturing costs		113		113
Other prepaid expenses and current assets		1,483		1,607
Total prepaid expenses and other current assets	$	5,518	$	5,756

Property and Equipment, Net

Property and equipment, net consisted of the following (in thousands):

	March 31,			December 31,
	2022			2021
Computer hardware	$	319		$	319
Furniture and fixtures		309			309
Software		203			203
Total property and equipment, gross		831			831
Accumulated depreciation and amortization		(743	)		(718	)
Total property and equipment, net	$	88		$	113

Intangible Assets, Net

Intangible assets, net consisted of the following (in thousands):

	Useful Life	March 31,			December 31,
	(years)	2022			2021
Technology	10	$	14,000		$	14,000
Trade name	10		1,520			1,520
Total intangible assets, gross			15,520			15,520
Accumulated amortization			(2,587	)		(2,199	)
Total intangible assets, net		$	12,933		$	13,321

The Company recorded amortization expense of $0.4 million for each of the three months ended March 31, 2022 and 2021. The estimated aggregate amortization expense for each of the 5 succeeding years is $1.6 million.

Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	March 31,		December 31,
	2022		2021
Accrued payroll and related expenses	$	1,000	$	1,991
Accrued royalties and in-license fees		1,204		1,299
Accrued professional fees		599		410
Accrued manufacturing costs		236		232
Accrued other		1,258		934
Total accrued expenses	$	4,297	$	4,866