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Stock-Based Compensation Plans (Tables)
12 Months Ended
Dec. 31, 2020
Share-based Payment Arrangement [Abstract]  
Schedule of share-based compensation expense Stock compensation expense consisted of the following for the years ended December 31:
202020192018
Share-based compensation - employees$1,050,179 $1,481,016 $1,244,606 
Share-based compensation - nonemployees(3,663)4,882 120,092 
Total share-based compensation$1,046,516 $1,485,898 $1,364,698 
Schedule of stock options activity
Stock option activity for 2020 and 2019 was as follows:
Number of
shares
Weighted-average exercise price per share
Weighted-
average
remaining
contractual
term (years)
Aggregate
intrinsic
value
Outstanding, December 31, 20185,800 $13.00 0.9$— 
Options granted— — 
Options exercised— — 
Options forfeited or expired(5,800)13.00 
Outstanding, December 31, 2019— — — — 
Options granted— — 
Options exercised— — 
Options forfeited or expired— — 
Outstanding, December 31, 2020— — — — 
Exercisable at December 31, 2020— $— — $— 
Schedule of restricted stock activity
Restricted stock activity was as follows:
Number
of shares
Weighted-
average
grant-date
fair value
Nonvested, December 31, 2018833,741 $6.09 
Shares granted229,669 5.95 
Shares vested(225,536)6.71 
Shares forfeited(22,925)6.20 
Nonvested, December 31, 2019814,949 5.88 
Shares granted231,091 3.56 
Shares vested(228,500)4.62 
Shares forfeited(38,125)5.87 
Nonvested, December 31, 2020779,415 $5.56