Note 4 - Restricted Cash

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Restricted Assets Disclosure [Text Block]

NOTE

4:

RESTRICTED CASH

The Company's restricted cash balance of

$110,000

as of

March 31, 2021 

and

December 31, 2020 

consists entirely of cash pledged as security for the Company's issued commercial credit cards.