Annual report pursuant to Section 13 and 15(d)

Historical Basic and Diluted Net Loss Per Share - Schedule of Anti-dilutive Securities Excluded From Computation of Earnings Per Share (Details)

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Historical Basic and Diluted Net Loss Per Share - Schedule of Anti-dilutive Securities Excluded From Computation of Earnings Per Share (Details) - shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Antidilutive securities excluded from earning per share 1,885,000 1,679,000
Options [Member]    
Antidilutive securities excluded from earning per share 416,000 283,000
Stock-Settled Stock Appreciation Rights (SARs) [Member]    
Antidilutive securities excluded from earning per share 6,000
Restricted Stock Units (RSUs) [Member]    
Antidilutive securities excluded from earning per share 49,000 36,000
Warrants [Member]    
Antidilutive securities excluded from earning per share 1,420,000 1,354,000