XML 39 R27.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 6 - Accrued Expenses and Other Current Liabilities (Tables)
3 Months Ended
Mar. 31, 2018
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
   
March 31, 201
8
   
December 31, 2017
 
Accrued employee liabilities
  $
5,162
    $
976
 
Accrued property, franchise, motor fuel and other taxes
   
1,921
     
1,387
 
Other
   
385
     
105
 
Total
  $
7,468
    $
2,468