Cash, Cash Equivalents and Investments (Tables)

3 Months Ended

Mar. 31, 2022

Cash And Cash Equivalents [Abstract]

Cash and Cash Equivalents and Investments

The Company’s cash, cash equivalents, and investments consisted of the following:

	March 31,		December 31,
	2022		2021
Cash	$	3,905	$	6,789
Cash equivalents		1,202		1,403
Short-term investments		22,569		22,562
Total	$	27,676	$	30,754

Summary of Cash in Foreign Accounts

The cash in foreign accounts was as follows:

	March 31,		December 31,
	2022		2021
China	$	2,282	$	2,801
Europe		904		1,108
Total	$	3,186	$	3,909

Cash Equivalents and Investments

Cash equivalents and investments were as follows at March 31, 2022 and December 31, 2021:

	March 31, 2022								December 31, 2021
	Level 1		Level 2			Total			Level 1		Level 2			Total
Cash equivalents:
Money market funds	$	1,202	$	0		$	1,202		$	1,403	$	0		$	1,403
Total Cash Equivalents	$	1,202	$	0		$	1,202		$	1,403	$	0		$	1,403
Short-Term Investments:
Corporate bonds	$	0	$	19,916		$	19,916		$	0	$	19,659		$	19,659
Certificates of deposit		2,653		0			2,653			2,903		0			2,903
Total Short-Term Investments	$	2,653	$	19,916		$	22,569		$	2,903	$	19,659		$	22,562
Cash equivalents and Investments - book value	$	3,855	$	19,916		$	23,771		$	4,306	$	19,659		$	23,965
Unrealized gains (losses)	$	0	$	(1	)	$	(1	)	$	1	$	(2	)	$	(1	)
Cash equivalents and Investments - fair value	$	3,855	$	19,915		$	23,770		$	4,307	$	19,657		$	23,964