13. Commitments and Contingencies (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Commitments And Contingencies Details Narrative
Royalty Commitment	$ 136	$ 243
Purchase commitment of inventory	$ 12,376

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

No definition available.