Net Loss per Share - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net Loss Attributable to Non-controlling Interest	$ (26,000)	$ (16,000)
Series A Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
preferred stock accrued dividends	62,000	61,000
Series B Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net Loss Attributable to Non-controlling Interest	0
Accretion of preferred discount	400,000	400,000
preferred stock accrued dividends	$ 404,000	$ 398,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	5,708,696	7,065,217
Equity Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2,502,012	893,367
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	18,714,999	18,915,851