Other Liabilities (Details) - USD ($) $ in Thousands	4 Months Ended
	Apr. 30, 2016	Sep. 30, 2016	Dec. 31, 2015
Other current liabilities		$ 9	$ 556
Loss contingency accrual			100
Sentient Loan
Accrued interest			100
Argentina Equity Tax 2009 Through 2012
Net income tax due			400
Interest and penalties accrued	$ 200		$ 200
Income taxes paid	$ 200