Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional information (Details)

v3.21.1
Stockholders' Equity - Additional information (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Oct. 08, 2020
USD ($)
$ / shares
shares
Jun. 04, 2020
shares
May 26, 2020
USD ($)
Mar. 25, 2020
Jul. 07, 2020
USD ($)
Jan. 31, 2020
$ / shares
shares
Feb. 28, 2021
USD ($)
$ / shares
shares
Nov. 30, 2020
shares
Aug. 31, 2020
$ / shares
shares
Feb. 29, 2020
USD ($)
Feb. 28, 2021
USD ($)
$ / shares
shares
Feb. 29, 2020
USD ($)
Preferred stock, per share | $ / shares           $ 0.0001 $ 0.0001   $ 0.0001   $ 0.0001  
Compensation expense | $             $ 423,000     $ 619,000 $ 919,000 $ 745,000
Exercise price (in dollars per share) | $ / shares                     $ 3.21  
Number of shares outstanding, Beginning balance             1,822,173   1,398,740   1,822,173  
Shares conversion ratio       1       1        
Reverse stock split       1       1        
Common stock shares issued             20,914,646   16,902,146   20,914,646  
Common stock issued for services rendered, amount | $                   $ 75,000   $ 75,000
Issued                     2,500,000  
Amended March 2019 Warrants                        
Exercise price (in dollars per share) | $ / shares                     $ 40.00  
Warrants Outstanding                     66,288  
June 2018 Warrants                        
Exercise price (in dollars per share) | $ / shares                     $ 40.00  
Warrants Outstanding                     6,276  
October 2020 Common Warrants                        
Exercise price (in dollars per share) | $ / shares                     $ 3.30  
Warrants Outstanding 200,000                   2,300,000  
Percentage on aggregate number of shares of common stock 5.00%                      
Price per share | $ / shares $ 3.30                      
Percentage of warrants exercisable price on offering price 110.00%                      
October 2020 Common Warrants | Minimum                        
Warrants term     6 months                  
October 2020 Common Warrants | Maximum                        
Warrants term 5 years                      
Scott W Absher                        
Number option additionally available for grant to founder shareholders           12,500,000            
Stephen Holmes [Member]                        
Number option additionally available for grant to founder shareholders           12,500,000            
Preferred Stock                        
Preferred options Exercised                 294,490      
Preferred Stock Shares Options Outstanding and Exercisable             11,827,570          
Shares conversion ratio           1            
Reverse stock split           1            
Preferred Stock | Scott W Absher                        
Preferred options Exercised   12,500,000                 12,500  
Shares issued upon conversion   12,500,000                    
Stock Option | Scott W Absher and Stephen Holmes                        
Number of options available for grant to founder shareholders           50,000,000            
Common Share Units [Member] | October 2020 Common Warrants                        
Shares of common stock issued                     4,000,000  
Price per share | $ / shares             $ 3.00       $ 3.00  
Common Share Units [Member] | Scott W Absher                        
Shares issued upon conversion   12,500,000                    
Common shares lock up period   2 years                    
Warrant [Member]                        
Exercise price (in dollars per share) | $ / shares                     $ 5.51  
Warrants Outstanding               4,396,209        
Underwritten Public Offering [Member]                        
Gross proceeds from issuance of shares | $     $ 12,000,000                  
Underwritten Public Offering [Member] | October 2020 Common Warrants                        
Price per share | $ / shares $ 3.00                      
Exercise price of warrants | $ / shares $ 3.30                      
Gross proceeds from issuance of shares | $ $ 12,000,000                      
Offering costs | $ $ 1,300,000                      
Underwritten Public Offering [Member] | Common Share Units [Member] | October 2020 Common Warrants                        
Number of Shares of Common Stock to be Purchased Accompanied by Common Warrant 0.5                      
Common stock shares issued 4,000,000                      
Underwritten Public Offering [Member] | Warrant [Member] | October 2020 Common Warrants                        
Shares of common stock issued 2,300,000                      
Overallotment                        
Gross proceeds from issuance of shares | $         $ 1,350,000              
Overallotment | October 2020 Common Warrants                        
Shares of common stock issued 300,000