XML 34 R72.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Equity-Based Compensation - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jan. 31, 2019
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2019
Dec. 31, 2018
Jun. 30, 2019
Jan. 16, 2019
Dec. 31, 2015
Sep. 30, 2015
Dec. 31, 2013
Sep. 30, 2013
Dec. 31, 2012
Oct. 31, 2012
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Options granted       1,869,934                  
Exercise price, lower range limit       $ 2.26                  
Exercise price, upper range Limit       $ 2.37                  
Stock-based compensation   $ 309,767 $ 222,153 $ 468,604 $ 377,458                
Restricted Stock Units                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Stock-based compensation, total compensation cost not yet recognized, period for recognition       2 years 4 months 24 days                  
Number of shares issued       217,943 99,902 175,758              
Total fair value of vested stock       $ 513,380 $ 306,047                
Stock-based compensation       193,329 $ 222,431                
Unrecognized stock compensation expense related to restricted stock grants       $ 615,060                  
Maximum                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Vesting period       3 years                  
Maximum | Restricted Stock Units                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Vesting period       3 years                  
Minimum                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Vesting period       1 year                  
Minimum | Restricted Stock Units                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Vesting period       1 year                  
2009 Plan                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Number of shares available for issuance of grants             350,343 2,450,000 2,450,000 1,700,000 1,700,000 1,250,000 1,250,000
Options granted 1,143,447                        
2009 Plan | Maximum                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Stock options, term       10 years                  
2009 Plan | Minimum                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Stock options, term       5 years                  
Voting stock, percentage       10.00%                  
Fair market value of common stock, percentage       110.00%                  
2019 Plan                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Number of shares available for issuance of grants       986,266                  
Number of shares reserved for issuance under the plan 4,243,790                        
Number of new shares 2,750,000                        
2009 and 2019 Plan                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Stock options granted and outstanding, weighted average grant date fair value       $ 0.98                  
Unrecognized stock compensation expense, net of estimated forfeitures, related to options       $ 1,636,115                  
Stock-based compensation, total compensation cost not yet recognized, period for recognition       2 years 9 months 18 days