Note 15 - Foreign Exchange	12 Months Ended
Dec. 31, 2020
Notes to Financial Statements
Foreign Currency Disclosure [Text Block]	15. Foreign Exchange: A foreign exchange loss amounting to $1.0 million has been recorded in general and administrative expenses during the year ended December 31, 2020. A foreign exchange gain amounting to $0.4 million has been recorded in general and administrative expenses during the year ended December 31, 2019. A foreign exchange loss amounting to $0.9 million has been recorded in general and administrative expenses during the year ended December 31, 2018.

The entire disclosure for foreign currency transactions and translation. This may include description of foreign currency transactions, foreign currency gains and losses, explanation of change in cumulative translation adjustment, description of effect of subsequent foreign currency exchange rate change, cumulative translation adjustment movement, foreign currency translation adjustment by component movement, translation adjustment for net investment hedge movement, adjustment for long-term intercompany transactions, schedule of long-term intercompany balances and any other foreign currency transactions and translation related items.

Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30885-110895

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-URI http://asc.fasb.org/topic&trid=2175825

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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