XML 59 R48.htm IDEA: XBRL DOCUMENT v3.20.4
Sales of Class B Common Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Nov. 30, 2020
Feb. 05, 2020
Oct. 31, 2020
Jan. 31, 2020
Sales of Class B Common Stock (Details) [Line Items]        
Direct offering shares   1,734,459    
Shares issued       1,657,813
Shares issued price per share       $ 1.28
Weighted average discount rate       20.00%
Sale of common stock, description     certain Company insiders purchased an additional 76,646 shares at a purchase price of $1.67 per share, the closing price on February 3, 2020. In connection with this offering, the Company incurred a total issuance costs of $141,000.  
Sale of stock $ 5,000      
Class B common stock [Member]        
Sales of Class B Common Stock (Details) [Line Items]        
Gross proceeds   $ 2,250