Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Stockholders' Equity (Details Textual)

v3.10.0.1
Note 9 - Stockholders' Equity (Details Textual) - USD ($)
9 Months Ended
May 02, 2018
Apr. 26, 2018
Mar. 26, 2018
Feb. 08, 2018
Sep. 30, 2018
Jan. 01, 2018
Dec. 31, 2017
Cumulative Effect of New Accounting Principle in Period of Adoption             $ (12,069,000)
Stock Issued During Period, Shares, New Issues     103,213        
Proceeds from Issuance of Private Placement     $ 1,800,000        
Stock Issued During Period, Value, New Issues         $ 42,996,000    
Carlyle Group [Member] | Convertible Senior Notes Converted to Warrants [Member]              
Debt Conversion, Original Debt, Amount $ 50,000,000            
Private Placement [Member]              
Stock Issued During Period, Value, New Issues   $ 56,855,000          
FGUSA Credit Facility [Member]              
Debt Agreement, Maximum Borrowing Capacity       $ 131,100,000      
Debt Instrument, Unamortized Discount, Total       10,000,000      
Falcon Global USA LLC [Member]              
Payments for Debtor-in-possession Obligations       $ 15,000,000      
Retained Earnings [Member]              
Cumulative Effect of New Accounting Principle in Period of Adoption           $ (12,100,000) $ (12,069,000)
Stock Issued During Period, Value, New Issues