5. Inventory (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Inventory Disclosure [Abstract]
Lower of cost or market adjustment for inventory	$ 900	$ 400	$ 2,200	$ 1,200