XML 27 R17.htm IDEA: XBRL DOCUMENT

Certain Financial Statement Caption Information (Tables)

6 Months Ended

Jun. 30, 2021

Certain Financial Statement Caption Information [Abstract]

Schedule of Company's Short-Term Investments

The following table summarizes the Company’s short-term investments (in thousands):


		Maturity		Amortized				Unrealized				Unrealized				Estimated
		(in years)		Cost				Gains				Losses				Fair Value
June 30, 2021
U.S. treasury securities		1 or less		$	24,118			$	1			$	(1	)		$	24,118
Total				$	24,118			$	1			$	(1	)		$	24,118
December 31, 2020
U.S. treasury securities		1 or less		$	56,218			$	6			$	(4	)		$	56,220
Certificates of deposit		1 or less			1,955				6				-				1,961
Total				$	58,173			$	12			$	(4	)		$	58,181

Schedule of Accrued Expenses

Accrued expenses consisted of the following (in thousands):


	June 30,				December 31,
	2021				2020
Accrued payroll and other employee benefits	$	1,777			$	1,870
Clinical studies		906				493
Other accruals		224				307
Non-clinical research		188				72
Accrued interest		69				71
Total accrued expenses	$	3,164			$	2,813