XML 31 R19.htm IDEA: XBRL DOCUMENT v3.20.2
BASIS OF REPORTING AND SIGNIFICANT ACCOUNTING POLICIES (Tables)
6 Months Ended
Jun. 30, 2020
Accounting Policies [Abstract]  
Property Plant And Equipment Estimated Useful Lives [Table Text Block]
Property and equipment are carried at cost net of ac
c
umulated depreciation and amortization. Depreciation and amortization is computed on the straight-line method over the estimated useful lives of the assets, or the life of the lease, whichever is shorter, as follows:
 
  
Estimated
 
  
Useful Life (years)
 
Building and Building Improvements
 5
40 
Mining equipment
 2
7 
Office and shop furniture and equipment
 3
7 
Vehicles
  5