Note 9 - Debt - Summary of Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Total short term debt	$ 51,803	$ 44,724
Total long term debt	123,387	130,144
Loans Payable [Member]
Total short term debt	17,850	16,800
Total long term debt	100,204	105,075
Commercial Loan [Member]
Total short term debt	816	801
Total long term debt	409	619
Finance Lease Obligations [Member]
Total short term debt	750	632
Total long term debt	839	1,353
Line of Credit [Member]
Total long term debt	21,935	23,097
Working Capital Facilities [Member]
Total short term debt	29,004	23,179
Loans from Related Parties [Member]
Total short term debt	$ 3,383	$ 3,312