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Stock-Based Incentive Plan - Narrative (Details)
1 Months Ended 3 Months Ended
Nov. 06, 2020
shares
Sep. 30, 2020
USD ($)
shares
Sep. 30, 2019
USD ($)
tranche
shares
Dec. 08, 2016
shares
Stock-Based Incentive Plan        
Granted (in shares)   0    
Restricted Stock and Contingent Restricted Stock        
Stock-Based Incentive Plan        
Stock-based compensation expense | $   $ 300,351 $ 332,013  
Restricted Stock, Service-Based        
Stock-Based Incentive Plan        
Granted (in shares)   0    
Restricted Stock, Market-Based        
Stock-Based Incentive Plan        
Granted (in shares)   0    
Restricted Stock and Contingent Restricted Stock, Other        
Stock-Based Incentive Plan        
Vesting period   1 year    
Restricted Stock, Performance-Based        
Stock-Based Incentive Plan        
Performance based awards, outstanding (in shares)   0    
2016 Plan        
Stock-Based Incentive Plan        
Number of shares of common stock authorized for issuance under plan (in shares)       1,100,000
Number of shares remaining available for grant under plan (in shares)   390,489    
2016 Plan | Subsequent Event        
Stock-Based Incentive Plan        
Number of additional shares authorized (in shares) 2,500,000      
Minimum | Restricted Stock, Service-Based        
Stock-Based Incentive Plan        
Vesting period   3 years    
Minimum | Restricted Stock, Market-Based        
Stock-Based Incentive Plan        
Vesting period   2 years    
Maximum | Restricted Stock and Contingent Restricted Stock        
Stock-Based Incentive Plan        
Expiration period   4 years    
Maximum | Restricted Stock, Service-Based        
Stock-Based Incentive Plan        
Vesting period   4 years    
Maximum | Restricted Stock, Market-Based        
Stock-Based Incentive Plan        
Vesting period   3 years    
Chief Executive Officer | Restricted Stock, Service-Based        
Stock-Based Incentive Plan        
Granted (in shares)     48,872  
Number of vesting tranches | tranche     3  
Chief Executive Officer | Restricted Stock, Market-Based        
Stock-Based Incentive Plan        
Granted (in shares)     200,000  
Number of vesting tranches | tranche     4