Note 10 - Equity Method Investments (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Equity Method Investments [Table Text Block]

Entity	Vessel	Participation % December 31, 2021	Date Established /Acquired
Steadman Maritime Co.	-	49%	July 1, 2013
Marchant Maritime Co. (*)	-	-	-
Horton Maritime Co. (*)	-	-	-
Smales Maritime Co.	-	49%	June 6, 2013
Geyer Maritime Co.	Arkadia	49%	May 18, 2015
Goodway Maritime Co.	Monemvasia	49%	September 22, 2015
Platt Maritime Co.	Polar Argentina	49%	May 18, 2015
Sykes Maritime Co.	Polar Brasil	49%	May 18, 2015

Equity Method Investments Summarized Financial Information [Table Text Block]

	December 31, 2020		December 31, 2021
Current assets	$	46,006	$	12,468
Non-current assets		516,171		92,770
Total assets	$	562,177	$	105,238
Current liabilities	$	30,148	$	6,576
Non-current liabilities		346,994		58,110
Total liabilities	$	377,142	$	64,686

	For the years ended December 31,
	2019		2020		2021
Voyage revenue	$	85,954	$	96,533	$	43,088
Net income	$	28,040	$	39,433	$	27,617