XML 48 R33.htm IDEA: XBRL DOCUMENT v3.22.1
Accumulated Other Comprehensive Income (Tables)
12 Months Ended
Dec. 31, 2021
Accumulated Other Comprehensive Income Loss Net of Tax [Abstract]  
Schedule of change in accumulated other comprehensive income, which is reported as a component of stockholders' equity

Unrealized

Gain on

    

Marketable

Securities

Balance December 31, 2020

$

3

Other comprehensive income

(3)

Balance December 31, 2021

$