Convertible Notes Payable, Related Parties (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Total convertible notes payable, short term		$ 200
Equity participation notes [Member]
Total convertible notes payable, short term		200
2014/2015 Convertible Notes [Member]
Total convertible notes payable, short term
Other convertible notes [Member]
Total convertible notes payable, short term