Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2016

Accrued Liabilities Current And Noncurrent [Abstract]

Accrued Expenses

	December 31, 2016	December 31, 2015
Accrued voyage expenses	$                  1,526	$      1,411
Accrued loan interest	700	864
Accrued legal and professional fees	2,219	241
Total accrued expenses	$                     4,445	$      2,516