Note 6 - Inventories	12 Months Ended
Dec. 31, 2021
Notes to Financial Statements
Inventory Disclosure [Text Block]	6. Inventories: Inventories in the accompanying consolidated balance sheets relate to bunkers, lubricants and spare parts on board the vessels.

The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-URI http://asc.fasb.org/topic&trid=2126998

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