Common Stock Equivalents Excluded From Diluted Net Loss Per Share (Details) - shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	7,972,920	5,907,840
RSUs
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	1,367,630	1,460,044
Stock Options
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	621,602	672,441
Warrants
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	765,000	765,000
Noncontrolling Interest
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	10,355	10,355
Shares of Common Stock Issuable upon Conversion of Series B Preferred Stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Common stock equivalents diluted net loss per share inclusion anti-dilutive	5,208,333	3,000,000