Commitments and Contingencies (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Mar. 31, 2018
Interstate Battery System International, Inc. [Member] \| Interstate Battery Agreement [Member]
Commitment paid per occurrence		$ 2,000
Interstate Battery System International, Inc. [Member] \| Interstate Battery Agreement [Member] \| General and Administrative Expense [Member]
Charge for breach of contract	$ (600)
Johnson Controls [Member] \| Johnson Controls Agreement [Member]
Commitment paid per occurrence		$ 1,000