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Composition of Certain Financial Statement Captions

12 Months Ended

Dec. 31, 2021

6.	Composition of Certain Financial Statement Captions

Other Current Assets

As of December 31, 2021 and 2020, other current assets were comprised of the following (in thousands):

Property and Equipment, net

As of December 31, 2021 and 2020, property and equipment, net, were comprised of the following (in thousands):

	December 31,
	2021			2020
Office and computer equipment	$	1,231		$	1,525
Leasehold improvements		1,661			1,682
		2,892			3,207
Less accumulated depreciation		(1,415	)		(1,387	)
	$	1,477		$	1,820

Depreciation expense totaled $0.4 million for each of the years ended December 31, 2021 and 2020, respectively.

Intangible Assets, net

As of December 31, 2021, intangible assets included the net book value of costs incurred for software upgrades.

Accounts Payable and Accrued Expenses

As of December 31, 2021 and 2020, accounts payable and accrued expenses were comprised of the following (in thousands):

	December 31,
	2021		2020
Accounts payable	$	2,611	$	789
Accrued payroll and bonus		781		738
Accrued professional fees		189		276
Accrued vacation and compensation		252		245
Finance lease obligation -- current		—		10
Other current liabilities		122		23
Accrued R&D studies		196		—
	$	4,151	$	2,081