Annual report pursuant to Section 13 and 15(d)

Summary of significant accounting policies - Additional Information (Details)

v3.20.2
Summary of significant accounting policies - Additional Information (Details)
12 Months Ended
May 25, 2020
Mar. 25, 2020
Jan. 01, 2020
shares
Dec. 17, 2019
Aug. 31, 2020
USD ($)
shares
Aug. 31, 2019
USD ($)
Unbilled accounts receivable         $ 2,303,000 $ 1,418,000
Cash in excess by FDIC         4,535,000  
Advertising costs         646,000 1,208,000
Weighted average number of common shares outstanding for the earnings per share increased | shares     24,634,560      
Working capital changes         2,600,000  
Gross wages adjustments         1,400,000  
Impact for fair value assumptions.         $ 300,000  
Discount rate (as a percent)         15.00%  
Annualized gross wages (in percentage)         20.00%  
Reduction in gross wages per month (in percentage)         1.50%  
Shares conversion ratio 1 1   0.025 0.025  
Research and developments costs         $ 4,200,000 3,100,000
Salaries, Wages and Payroll taxes         2,000,000 900,000
Capitalized computer software cost         $ 0 $ 1,000,000
Concentration of credit risk percent         92.00% 99.00%
Concentration of credit Risk description         had zero and two individual clients that represented more than 10% of its annual revenues in Fiscal 2020 and 2019, respectively.  
Short term accrued workers compensation         $ 500,000  
Long term accrued workers compensation         1,200,000  
Impaired asset expense         3,543,000 $ 0
Short term assets         $ 1,000,000  
Risk-free interest rate         0.47%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate         134.00%  
Short term liabilities         $ 1,800,000  
Long term assets         2,600,000  
Long term liabilities         4,400,000  
Short-term asset and workers compensation - deposits         300,000  
Long-term asset and workers compensation - deposits         $ 700,000  
Preferred stock issued for Preferred Options exercise (in shares) | shares         12,794,490  
Common stock issued for preferred stock exchange (in shares) | shares         12,794,490  
Minimum            
Discount rate (as a percent)         10.00%  
Maximum            
Discount rate (as a percent)         15.00%  
Preferred Stock            
Shares conversion ratio 1