XML 36 R25.htm IDEA: XBRL DOCUMENT v3.4.0.3
Note 5 - Accrued Expenses and Other Current Liabilities (Tables)
3 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
 
 
March 31, 2016
 
 
December 31, 2015
 
Accrued employee liabilities
  $ 2,549     $ 1,474  
Accrued property, franchise, motor fuel and other taxes
    1,542       1,248  
Other
    321       254  
Total
  $ 4,412     $ 2,976