Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Schedule of Accrued Liabilities (Details)

v3.20.2
Stockholders' Equity - Schedule of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Accrued dividends payable $ 769 $ 690
Series A Preferred Stock [Member]    
Accrued dividends payable 460 410
Series A-1 Preferred Stock [Member]    
Accrued dividends payable $ 310 $ 280