XML 48 R34.htm IDEA: XBRL DOCUMENT v3.3.1.900
Claim fees (Policies)
12 Months Ended
Dec. 31, 2015
Policies  
Claim fees

Claim Fees

Unpatented claim fees paid at time of staking are expensed when incurred. Recurring renewal fees which are paid annually are recorded as prepaid and expensed over the course of the year.