Note 3 - Revenues- Contract Assets (Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	[1]	Dec. 31, 2019	[2]
Contract assets – current	$ 44,026		$ 42,973
Contract liabilities – current	(37,569)		(37,517)
Net contract assets	$ 6,457		$ 5,456

[1] Amounts exclude contract assets of $9.3 million and contract liabilities of $0.2 million that were classified as held for sale at December 31, 2020 (see Note 6).

[2] Amounts exclude contract assets of $13.5 million and contract liabilities of less than $0.2 million that were classified as held for sale at December 31, 2019 (see Note 6).