Prepaid Expenses and Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2015

Prepaid Expenses And Other Assets [Abstract]

Prepaid Expenses And Other Current Assets

	December 31,  2015		December 31,  2014
Prepaid voyage costs	$	137	$	634
Inventory		1,160		826
Other		—		10
Total prepaid expenses and other current assets	$	1,297	$	1,470