Annual report pursuant to Section 13 and 15(d)

Note 7 - Long-term Debt - Schedule of long-term Debt Obligation (Details)

v3.19.1
Note 7 - Long-term Debt - Schedule of long-term Debt Obligation (Details) - USD ($)
Dec. 31, 2018
Feb. 08, 2018
Dec. 31, 2017
Long-term Debt, Gross $ 442,972,000   $ 348,059,000
442,972,000   348,059,000
Portion due within one year (16,812,000)   (22,858,000)
Debt discount (32,005,000)   (27,373,000)
Issue costs (6,301,000)   (5,787,000)
387,854,000   292,041,000
Loan Facility With DNB Bank ASA [Member]      
Long-term Debt, Gross 126,750,000  
126,750,000  
Three Point Seven Five Percentage Convertible Notes [Member]      
Long-term Debt, Gross 125,000,000   175,000,000
125,000,000   175,000,000
Falcon Global Holdings [Member]      
Long-term Debt, Gross 109,099,000  
109,099,000  
Sea-Cat Crewzer III [Member]      
Long-term Debt, Gross 25,989,000   29,078,000
25,989,000   29,078,000
Windcat Workboats Ltd. [Member]      
Long-term Debt, Gross 24,850,000   25,202,000
24,850,000   25,202,000
FGUSA Credit Facility [Member]      
Long-term Debt, Gross 15,000,000  
15,000,000  
Debt discount   $ (10,000,000)  
Term Loan to Acquire Two Vessels [Member]      
Long-term Debt, Gross 11,000,000  
11,000,000  
BNDES [Member]      
Long-term Debt, Gross 5,284,000   7,234,000
5,284,000   7,234,000
Falcon Global [Member]      
Long-term Debt, Gross   54,870,000
  54,870,000
Sea-Cat Crewzer II [Member]      
Long-term Debt, Gross   20,871,000
  20,871,000
Sea-Cat Crewzer [Member]      
Long-term Debt, Gross   18,504,000
  18,504,000
C-Lift [Member]      
Long-term Debt, Gross   16,000,000
  16,000,000
Cypress CKOR LLC [Member]      
Long-term Debt, Gross   1,300,000
  $ 1,300,000