XML 16 R2.htm IDEA: XBRL DOCUMENT v2.4.0.8
Condensed Statements of Income (USD $)
 3 Months Ended 9 Months Ended
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2014
Oct. 31, 2013
Revenues        
Royalty income $ 11,780,502 $ 6,347,390 $ 20,139,905 $ 16,710,231
Interest income 2,256 238 6,647 918
Total revenues 11,782,758 6,347,628 20,146,552 16,711,149
Expenses 243,152 211,113 1,053,187 747,465
Net income $ 11,539,606 $ 6,136,515 $ 19,093,365 $ 15,963,684
Number of units outstanding 13,120,010 13,120,010 13,120,010 13,120,010
Net income per unit (Note 2) (in dollars per unit) $ 0.8795 $ 0.4677 $ 1.4553 $ 1.2167
Distributions declared per unit (Note 3) (in dollars per unit) $ 0.8800 $ 0.5100 $ 1.2000 $ 1.0500