XML 88 R77.htm IDEA: XBRL DOCUMENT v3.20.2
Stock-Based Compensation (Range Of Assumptions Used To Value Options Granted) (Details) - Stock Options [Member]
3 Months Ended
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected volatility 62.00%
Expected dividends 0.00%
Expected life (in years) 2 years
Risk-free rate 0.11%