Quarterly report pursuant to Section 13 or 15(d)

SHAREHOLDERS' EQUITY, Equity Compensation Plan (Details)

v3.20.1
SHAREHOLDERS' EQUITY, Equity Compensation Plan (Details)
 3 Months Ended 6 Months Ended 12 Months Ended
Jan. 15, 2020
BoardMember
$ / shares
shares
Sep. 27, 2019
shares
Sep. 25, 2019
shares
Feb. 29, 2020
USD ($)
$ / shares
shares
Feb. 28, 2019
USD ($)
Feb. 29, 2020
USD ($)
$ / shares
shares
Feb. 28, 2019
USD ($)
Aug. 31, 2019
USD ($)
$ / shares
shares
Stock Options, Additional Disclosure [Abstract]                
Share-based compensation expense | $       $ 247,800 $ 58,200 $ 353,194 $ 161,717  
Non Employee [Member]                
Number of Options [Roll Forward]                
Granted (in shares) 2,000              
Stock Options, Additional Disclosure [Abstract]                
Number of board members | BoardMember 6              
Stock price (in dollars per share) | $ / shares $ 12.45              
Share-based compensation expense | $       $ 149,400 0 $ 149,400 0  
2014 Equity Plan [Member]                
Stock Option Activity [Abstract]                
Reserved shares of common stock for issuance (in shares)       1,600,000   1,600,000    
2004 Incentive Plan and 2014 Equity Plan [Member]                
Number of Options [Roll Forward]                
Outstanding, beginning of period (in shares)           555,500    
Granted (in shares) [1]           130,000    
Exercised (in shares)           (12,500)    
Forfeited or expired (in shares)           0    
Outstanding, end of period (in shares)       673,000   673,000   555,500
Options exercisable (in shares)       493,000   493,000    
Weighted Average Exercise Price [Roll Forward]                
Outstanding, beginning of period (in dollars per share) | $ / shares           $ 6.33    
Granted (in dollars per share) | $ / shares           10.41    
Exercised (in dollars per share) | $ / shares           2.83    
Forfeited or expired (in dollars per share) | $ / shares           0    
Outstanding, end of period (in dollars per share) | $ / shares       $ 7.18   7.18   $ 6.33
Options exercisable (in dollars per share) | $ / shares       $ 6.05   $ 6.05    
Stock Options, Additional Disclosure [Abstract]                
Weighted average remaining contractual term           6 years 7 months 10 days   6 years 3 months 7 days
Weighted average remaining contractual term, options exercisable           5 years 7 months 28 days    
Approximate aggregate intrinsic value, outstanding | $       $ 3,492,325   $ 3,492,325   $ 2,527,590
Approximate aggregate intrinsic value, options exercisable | $       3,117,562   3,117,562    
Share-based compensation expense | $       $ 247,800 $ 58,200 $ 353,200 $ 161,700  
2004 Incentive Plan and 2014 Equity Plan [Member] | Mr. Harding [Member]                
Number of Options [Roll Forward]                
Granted (in shares)   50,000            
2004 Incentive Plan and 2014 Equity Plan [Member] | Employee [Member]                
Number of Options [Roll Forward]                
Granted (in shares)     80,000          
[1] Includes 50,000 shares granted to Mr. Harding on September 27, 2019 and 80,000 total shares granted to employees on September 25, 2019.