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Share Based Payments and Employee Benefit Plans - Options Exercise Price Range (Details)
12 Months Ended
Dec. 31, 2021
$ / shares
shares
$3.22 - 3.74  
Additional information regarding stock options outstanding  
Exercise price range, lower limit (in dollars per share) $ 3.22
Exercise price range, upper limit (in dollars per share) $ 3.74
Stock Options Outstanding, Number Outstanding (in shares) | shares 150,872
Stock Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 7 years 10 months 28 days
Stock Options Outstanding, Weighted-Average Exercise Price (in dollars per share) $ 3.45
Options Exercisable, Number Exercisable (in shares) | shares 53,671
Options Exercisable, Weighted-Average Exercise Price (in dollars per share) $ 3.59
$3.75 - 5.38  
Additional information regarding stock options outstanding  
Exercise price range, lower limit (in dollars per share) 3.75
Exercise price range, upper limit (in dollars per share) $ 5.38
Stock Options Outstanding, Number Outstanding (in shares) | shares 200,000
Stock Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 7 years 1 month 28 days
Stock Options Outstanding, Weighted-Average Exercise Price (in dollars per share) $ 3.75
Options Exercisable, Number Exercisable (in shares) | shares 133,334
Options Exercisable, Weighted-Average Exercise Price (in dollars per share) $ 3.75
$5.39 - 9.85  
Additional information regarding stock options outstanding  
Exercise price range, lower limit (in dollars per share) 5.39
Exercise price range, upper limit (in dollars per share) $ 9.85
Stock Options Outstanding, Number Outstanding (in shares) | shares 27,582
Stock Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 4 years 3 days
Stock Options Outstanding, Weighted-Average Exercise Price (in dollars per share) $ 7.01
Options Exercisable, Number Exercisable (in shares) | shares 27,582
Options Exercisable, Weighted-Average Exercise Price (in dollars per share) $ 7.01
$9.86 - 17.39  
Additional information regarding stock options outstanding  
Exercise price range, lower limit (in dollars per share) 9.86
Exercise price range, upper limit (in dollars per share) $ 17.39
Stock Options Outstanding, Number Outstanding (in shares) | shares 86,524
Stock Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 4 years 1 month 24 days
Stock Options Outstanding, Weighted-Average Exercise Price (in dollars per share) $ 11.99
Options Exercisable, Number Exercisable (in shares) | shares 86,524
Options Exercisable, Weighted-Average Exercise Price (in dollars per share) $ 11.99
$17.40 - 20.49  
Additional information regarding stock options outstanding  
Exercise price range, lower limit (in dollars per share) 17.40
Exercise price range, upper limit (in dollars per share) $ 20.49
Stock Options Outstanding, Number Outstanding (in shares) | shares 51,250
Stock Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 4 years 6 months 18 days
Stock Options Outstanding, Weighted-Average Exercise Price (in dollars per share) $ 17.40
Options Exercisable, Number Exercisable (in shares) | shares 51,250
Options Exercisable, Weighted-Average Exercise Price (in dollars per share) $ 17.40
$20.50 - $20.50  
Additional information regarding stock options outstanding  
Exercise price range, lower limit (in dollars per share) 20.50
Exercise price range, upper limit (in dollars per share) $ 20.50
Stock Options Outstanding, Number Outstanding (in shares) | shares 54,000
Stock Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 3 years 6 months 21 days
Stock Options Outstanding, Weighted-Average Exercise Price (in dollars per share) $ 20.50
Options Exercisable, Number Exercisable (in shares) | shares 54,000
Options Exercisable, Weighted-Average Exercise Price (in dollars per share) $ 20.50
$3.22 to $20.50  
Additional information regarding stock options outstanding  
Exercise price range, lower limit (in dollars per share) 3.22
Exercise price range, upper limit (in dollars per share) $ 20.50
Stock Options Outstanding, Number Outstanding (in shares) | shares 570,228
Stock Options Outstanding, Weighted-Average Remaining Contractual Life (in years) 6 years 2 months 1 day
Stock Options Outstanding, Weighted-Average Exercise Price (in dollars per share) $ 7.89
Options Exercisable, Number Exercisable (in shares) | shares 406,361
Options Exercisable, Weighted-Average Exercise Price (in dollars per share) $ 9.65