Condensed Statements Of Income (USD $)	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
REVENUES
Royalties	$ 5,317,841		$ 5,009,358		$ 9,623,164		$ 9,717,225
Interest and other income	12,511		19,553		294,332		45,866
TOTAL REVENUES	5,330,352		5,028,911		9,917,496		9,763,091
Costs and expenses	(1,087,872)		(1,011,200)		(2,103,258)		(2,054,534)
NET INCOME	$ 4,242,480		$ 4,017,711		$ 7,814,238		$ 7,708,557
Weighted-average shares outstanding	1,500,000		1,500,000		1,500,000		1,500,000
BASIC & DILUTED EARNINGS PER SHARE	$ 2.83		$ 2.68		$ 5.21		$ 5.14
Distributions declared per share	$ 2.50	[1]	$ 2.50	[2]	$ 4.75	[3]	$ 4.75	[4]

[1] $2.50 declared 6/16/2014 payable 7/31/2014

[2] $2.50 declared 6/17/2013 paid 7/31/2013

[3] $2.25 declared 3/14/2014 paid 4/30/2014 plus $2.50 declared 6/16/2014 payable 7/31/2014

[4] $2.25 declared 3/8/2013 paid 4/30/2013 plus $2.50 declared 6/17/2013 paid 7/31/2013