Note 4 - Cash, Cash Equivalents, and Restricted Cash

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Cash, Cash Equivalents, and Restricted Cash Disclosure [Text Block]

4.         Cash, Cash Equivalents, and Restricted Cash

Cash, cash equivalents and restricted cash consist of the following:

	December 31,		December 31,
	2021		2020
	(in thousands)
Cash	$	8,343	$	6,679
Money Market		5,287		9,684
Commerical Paper		4,499		-
Total cash and cash equivalents	$	18,129	$	16,363
Restricted Cash		1,154		1,166
Total	$	19,283	$	17,529

Restricted cash at December 31, 2021 and 2020 includes $1.2 million and $1.2 million, respectively, in cash accounts held as collateral primarily under the terms of an office operating lease, credit cards, automobile leases, and a performance guarantee required by the government of a country in which a Senhance System was sold in 2018.