December 31, 2016

    

December 31, 2015

Trucks and trailers

 

$
1,233

 

$
1,065

Office furniture and equipment

 

 
1,891

 

 
1,543

Leasehold improvements

 

 
661

 

 
661

Drill rigs

 

 
1,198

 

 
1,061

Building

 

 
1,514

 

 
1,514

Land

 

 
8,699

 

 
8,699

Mining equipment

 

 
2,008

 

 
1,625

Construction-in-process

 

 
2,812

 

 
4,314

Subtotal

 

$
20,016

 

$
20,482

Less: accumulated depreciation

 

 
(5,764)

 

 
(4,723)

Total

 

$
14,252

 

$
15,759