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Summary of Option and Stock Appreciation Rights Activity (Details)
9 Months Ended
Sep. 30, 2020
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Options/SARs, Outstanding, Beginning Balance | shares 1,857,599
Weighted Average Exercise Price per Share, Outstanding, Beginning Balance $ 2.22
Number of Options/SARs, Outstanding, Beginning Balance | shares 897,250
Weighted Average Exercise Price per Share, Outstanding, Beginning Balance $ 4.52
Number of Options/SARs, Outstanding, Beginning Balance | shares (124,578)
Weighted Average Exercise Price per Share, Outstanding, Beginning Balance $ 1.25
Number of Options/SARs, Outstanding, Beginning Balance | shares (157,030)
Weighted Average Exercise Price per Share, Outstanding, Beginning Balance $ 5.39
Number of Options/SARs, Outstanding, Beginning Balance | shares 2,473,241
Weighted Average Exercise Price per Share, Outstanding, Beginning Balance $ 2.9
Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Price, Begining Balance 0.74
Range of Exercise Price, Granted 3.98
Range of Exercise Price, Exercised 0.74
Range of Exercise Price, Forfeited 0.74
Range of Exercise Price, Ending Balance 0.74
Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Range of Exercise Price, Begining Balance 36.20
Range of Exercise Price, Granted 5.13
Range of Exercise Price, Exercised 2.15
Range of Exercise Price, Forfeited 36.20
Range of Exercise Price, Ending Balance $ 35.20