Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Narrative) (Details)

v3.7.0.1
Income Taxes (Narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Operating Loss Carryforwards [Line Items]      
Provision for income taxes  
Operating loss carry-forward $ 115,746,000   $ 111,605,000
Net operating loss carry-forwards expiration Dec. 31, 2037    
Federal And State [Member]      
Operating Loss Carryforwards [Line Items]      
Provision for income taxes $ 0 $ 0