Quarterly report pursuant to Section 13 or 15(d)

Net Loss per Share - Additional Information (Details)

v3.20.2
Net Loss per Share - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]            
Net Loss Attributable to Non-controlling Interest $ (16,000) $ (26,000) $ (27,000) $ (16,000) $ (42,000) $ (43,000)
Series A Preferred Stock [Member]            
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]            
preferred stock accrued dividends 63,000   61,000   125,000 122,000
Series B Preferred Stock [Member]            
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]            
Net Loss Attributable to Non-controlling Interest 0 $ 0 0 $ 0    
Accretion of preferred discount 400,000   100,000   800,000 500,000
preferred stock accrued dividends $ 392,000   $ 117,000   $ 796,000 $ 515,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 4,804,348   6,802,608   4,804,348 6,802,608
Equity Option [Member]            
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]            
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2,472,362       2,472,362 843,119
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       18,714,999 18,915,851