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1. Significant Accounting Policies (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Significant Accounting Policies Details Narrative          
Restricted cash $ 100   $ 100   $ 112
Depreciation expense included in general and administrative expense 3 $ 13 12 $ 49  
Interest Income $ 4 $ 6 $ 12 $ 19