Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity and Stock Based Compensation - Nonvested (Details)

v3.21.1
Stockholders' Equity and Stock Based Compensation - Nonvested (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
item
$ / shares
shares
Mar. 31, 2020
item
shares
Sep. 30, 2019
USD ($)
Weighted Average Grant Date Fair Value      
Share-based compensation expense | $ $ 0.3   $ 0.2
Restricted stock      
Shares      
Nonvested shares at the beginning of the period 122,792    
Granted (in shares) 52,190 66,560  
Vested (in shares) (16,818)    
Forfeited (in shares)   (2,750)  
Nonvested shares at the end of the period 158,164    
Number of equal quarterly installments for vesting of awards | item 16 16  
Weighted Average Grant Date Fair Value      
Nonvested shares at the beginning of period (in dollars per share) | $ / shares $ 13.37    
Granted (in dollars per share) | $ / shares 20.26    
Vested (in dollars per share) | $ / shares 15.17    
Nonvested shares at the end of period (in dollars per share) | $ / shares $ 15.45    
Unrecognized compensation cost (in dollars) | $ $ 2.2    
Weighted average period for recognition of unrecognized compensation cost 2 years 10 months 24 days