Balance Sheet Accounts

6 Months Ended

Jun. 30, 2022

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Accounts

Balance Sheet Accounts

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following:

	June 30,		December 31,
	2022		2021
Prepaid income taxes	$	112	$	1,173
Prepaid FDA user fee and advances to clinical research organization	369		1,108
Prepaid insurance	1,568		196
Advances to commercial manufacturers	2,043		2,354
Prepaid R&D	106		—
Convertible promissory note, net	6,210		5,312
Other receivable related to cost sharing arrangement with commercial partner	951		347
All other	2,903		1,400
Total prepaid expenses and other current assets	$	14,262	$	11,890

Accrued Expenses

Accrued expenses consist of the following:

	June 30,		December 31,
	2022		2021
Accrued product sales reserves	$	21,475	$	4,390
Income taxes payable	10,270		—
Royalties payable to commercial partners	10,815		5,085
Accrued salary and other compensation	2,775		8,466
Accrued professional fees	6,408		2,013
Accrued research & development	4,846		4,100
Current portion of lease liability	1,476		1,309
Inventory received but not invoiced	7,341		6,177
Accrued other	1,744		798
Total accrued expenses	$	67,150	$	32,338

Leases

We lease office space in Woodcliff Lake, New Jersey for our principal office under an amended lease agreement through June 2025. We also lease a lab space in Cambridge, Massachusetts under a lease agreement through April 2024, office space located in Indianapolis, Indiana through November 2023, and an office space located in Palm Beach Gardens, Florida. All of our leases are classified as operating leases and have remaining lease terms of approximately 2.5 years. The principal office and the lab space leases include renewal options to extend the lease for up to 5 years. Furthermore, we have not elected the practical expedient to separate lease and non-lease components for all classes of underlying assets.

The table below summarizes our total lease costs included in the condensed consolidated financial statements, as well as other required quantitative disclosures (in thousands):

	June 30, 2022			December 31, 2021
Operating lease cost	$	760		$	1,407
Total lease cost	$	760		$	1,407
Other information:
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows for operating leases	$	760		$	1,407
Right-of-use assets obtained in exchange for new operating lease liabilities	$	—		$	270
Weighted-average remaining lease term - operating leases	2.5 years			3.1 years
Weighted-average discount rate - operating leases	6.0		%	6.0		%

Balance Sheet Classification as of June 30, 2022:
Current lease liabilities (included with Accrued expenses and other liabilities)	$	1,476
Long-term lease liabilities (included with Other long-term liabilities)	2,256
Total lease liabilities	$	3,732