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Note 2 - Significant Accounting Policies and Recent Accounting Pronouncements	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Significant Accounting Policies [Text Block]	2. Significant Accounting Policies and Recent Accounting Pronouncements A summary of the Company's significant accounting policies and recent accounting pronouncements is identified in Note 2 of the Company's consolidated financial statements, included in Annual Report on Form 20 -F for the fiscal year ended December 31, 2019 ( the " 2019 Annual Report " ). There have been no changes to the Company's significant accounting policies and recent accounting pronouncements in the nine -month period ended September 30, 2020, other than the recent accounting pronouncement described below. Reference Rate Reform (Topic 848 ): In March 2020, the FASB issued ASU No. 2020 - 04, "Reference Rate Reform (Topic 848 ): Facilitation of the Effects of Reference Rate Reform on Financial Reporting ("ASU 2020 - 04" )." ASU 2020 - 04 provides temporary optional expedients and exceptions to the guidance in U.S. GAAP on contract modifications and hedge accounting to ease the financial reporting burdens related to the expected market transition from the London Interbank Offered Rate ("LIBOR") and other interbank offered rates to alternative reference rates. This ASU is effective for adoption at any time between March 12, 2020 and December 31, 2022. The Company is still evaluating the timing of the adoption and the optional expedients and exceptions it may adopt, as well as the effect of the adoption on its unaudited condensed consolidated financial statements.