Quarterly report pursuant to Section 13 or 15(d)

SHAREHOLDERS' EQUITY, Incentive and Equity Plan, and Combined Stock Option Activity (Details)

v3.19.1
SHAREHOLDERS' EQUITY, Incentive and Equity Plan, and Combined Stock Option Activity (Details) - USD ($)
6 Months Ended 12 Months Ended
Jan. 16, 2019
Sep. 26, 2018
Feb. 28, 2019
Aug. 31, 2018
2014 Equity Plan [Member]        
Stock Option Activity [Abstract]        
Reserved shares of common stock for issuance (in shares)     1,600,000  
2004 Incentive Plan and 2014 Equity Plan [Member]        
Number of Options [Roll Forward]        
Outstanding, beginning of period (in shares)     535,500  
Granted (in shares) [1]     82,500  
Exercised (in shares)     (37,500)  
Forfeited or expired (in shares)     0  
Outstanding, end of period (in shares)     580,500 535,500
Options exercisable (in shares)     428,000  
Weighted Average Exercise Price [Roll Forward]        
Outstanding, beginning of period (in dollars per share)     $ 5.31  
Granted (in dollars per share)     10.48  
Exercised (in dollars per share)     3.06  
Forfeited or expired (in dollars per share)     0  
Outstanding, end of period (in dollars per share)     6.19 $ 5.31
Options exercisable (in dollars per share)     $ 5.30  
Stock Options, Additional Disclosure [Abstract]        
Weighted average remaining contractual term     6 years 6 months 6 years 14 days
Weighted average remaining contractual term options exercisable     5 years 7 months 24 days  
Approximate aggregate intrinsic value     $ 2,343,935 $ 3,180,990
Approximate aggregate intrinsic value options exercisable     $ 2,069,419  
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] | Non-Employee Director [Member]        
Number of Options [Roll Forward]        
Granted (in shares) 32,500      
[1] Includes 50,000 shares granted to Mr. Harding on September 26, 2018 and 32,500 total shares granted to non-employee directors on January 16, 2019.