Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Narrative) (Details)

v3.19.2
Income Taxes (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Operating Loss Carryforwards [Line Items]          
Provision for income taxes  
Operating loss carry-forward 152,421,000   152,421,000   $ 147,086,000
Federal And State [Member]          
Operating Loss Carryforwards [Line Items]          
Provision for income taxes $ 0 $ 0 $ 0 $ 0