Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Schedule of Computation of Dilutive Securities (Details)

v3.20.4
Summary of Significant Accounting Policies - Schedule of Computation of Dilutive Securities (Details) - shares
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share 2,040,000 1,878,000
Options [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share 578,000 394,000
Stock-Settled Stock Appreciation Rights (SARs) [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share 3,000
Restricted Stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share 6,000
Restricted Stock Units (RSUs) [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share 36,000 61,000
Warrants [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share 1,420,000 1,420,000