XML 51 R42.htm IDEA: XBRL DOCUMENT v3.22.0.1
Marketable Securities - Fair Value (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Jun. 30, 2021
Marketable Securities:          
Cost     $ 40    
Fair Value $ 5,417   5,417   $ 5,413
Unrealized Gain (Loss) (39) $ 0 (36) $ 0  
Fair Value, Inputs, Level 1          
Marketable Securities:          
Cost     5,462   5,422
Fair Value $ 5,417   5,417   5,413
Unrealized Gain (Loss)     $ (45)   $ (9)