Other Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Other current liabilities	$ 295	$ 556
Third party contractor in Mexico
Loss contingency accrual		100
Sentient Loan
Accrued interest		100
Argentina Equity Tax 2009 Through 2012
Net income tax due	300	$ 400
Accrued income taxes net of VAT credits receivable	100
Interest and penalties accrued	$ 200
Payment period	4 months