Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Derivative liabilities (Details)

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Summary of Significant Accounting Policies - Derivative liabilities (Details) - USD ($)
12 Months Ended
Aug. 31, 2020
Aug. 31, 2021
Aug. 31, 2019
Reclassification to APIC due to note settlements, exchanges or conversions $ (1,979,000)    
Unbilled Contracts Receivable 2,303,000 $ 2,741,000  
Beginning balance 3,756,000    
Change in fair value (1,777,000)    
March 2020 Conversion Feature      
Beginning balance of conversion features     $ 2,852,000
Reclassification to APIC due to note settlements, exchanges or conversions (1,784,000)    
Change in fair value of conversion features (1,068,000)    
March 2020 Warrant Liability      
Reclassification to APIC due to note settlements, exchanges or conversions (195,000)    
Beginning balance of warrant liability     $ 904,000
Change in fair value of warrant liability $ (709,000)