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Notes Payable (Details Narrative) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended
Notes Payable (Details Narrative) - USD ($) $ in Thousands	Jun. 01, 2018	May 23, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Principal amount of notes			$ 4,440		$ 4,440
Notes payable			3,817		3,817
Amortization of debt discount			11	$ 117	117	$ 48
May 2018 Notes [Member]
Principal amount of notes		$ 840	840		840
Notes payable		$ 700	727		727
Maturity date of notes		Mar. 23, 2019
Debt instrument, description of event of default		Upon the occurrence of an event of default, the outstanding balance of the May 2018 Notes shall immediately increase to 120% of the outstanding balance immediately prior to the event of default and become immediately due and payable.
June 2018 Notes [Member]
Principal amount of notes	$ 3,600		3,600		3,600
Notes payable	$ 3,000		$ 3,090		$ 3,090
Maturity date of notes	Apr. 01, 2019
Debt instrument, description of event of default	Upon the occurrence of an event of default, the outstanding balance of the June 2018 Note shall immediately increase to 120% of the outstanding balance immediately prior to the event of default and become immediately due and payable.