XML 21 R10.htm IDEA: XBRL DOCUMENT v3.5.0.2
Note 3 - Property and Equipment
9 Months Ended
Sep. 30, 2016
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]
3. Property and Equipment
 
Property and equipment are summarized as follows (amounts in thousands):
 
    September 30,
2016
  December 31,
2015
         
Construction equipment   $ 121,371     $ 114,724  
Transportation equipment     18,924       18,056  
Buildings     12,771       10,860  
Office equipment     3,041       2,810  
Leasehold improvement     915       894  
Construction in progress     96       1,986  
Land     3,509       4,257  
Water rights     200       200  
      160,827       153,787  
Less accumulated depreciation     (90,464 )     (80,312 )
Total property and equipment, net   $ 70,363     $ 73,475