XML 51 R72.htm IDEA: XBRL DOCUMENT v3.20.1
Related Party Transaction - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Oct. 07, 2016
Jan. 31, 2020
Jan. 31, 2020
Jan. 31, 2019
Related Party Transaction [Line Items]        
Maximum number of preferred stock to be issued (in shares)   1,000,000 1,000,000 1,000,000
Former CEO        
Related Party Transaction [Line Items]        
Interest rate on obligation payable to related party     4.00%  
Outstanding obligation payable to related party   $ 1,200,000 $ 1,200,000  
Outstanding obligation payable to related party, long-term   $ 967,000 $ 967,000  
Series A Preferred Stock | Ladenburg Thalmann & Co. Inc.        
Related Party Transaction [Line Items]        
Maximum number of preferred stock to be issued (in shares) 500,000      
Percentage of compensation fees to be paid 2.00%      
Stock issued during period (in shares)   66,436 163,674  
Gross proceeds from preferred stock   $ 1,600,000 $ 3,900,000  
Equity distribution compensation expenses   31,902 78,935  
Net proceeds from preferred stock   1,600,000 $ 3,900,000  
Series A Preferred Stock | Non-Executive Chairman        
Related Party Transaction [Line Items]        
Equity distribution compensation expenses   $ 0