Quarterly financial data (Unaudited) (Tables)
12 Months Ended
Dec. 31, 2013
Quarterly Financial Data [Abstract]  
Summary of Quarterly Financial Information
The following summarized (unaudited) quarterly financial information presents the results of operations and other data for the three-month periods ended March 31, June 30, September 30 and December 31, 2013 and 2012.
 
USCI
 
 
 
First  
Quarter  
2013
 
Second  
Quarter  
2013
 
Third  
Quarter  
2013
 
Fourth  
Quarter  
2013
 
Total Income (Loss)
 
$
(11,934,173)
 
$
(30,572,977)
 
$
25,652,345
 
$
308,060
 
Total Expenses
 
 
1,389,487
 
 
1,502,357
 
 
1,458,386
 
 
1,470,234
 
Net Income (Loss)
 
$
(13,323,660)
 
$
(32,075,334)
 
$
24,193,959
 
$
(1,162,174)
 
Net Income (Loss) per Share
 
$
(1.45)
 
$
(3.49)
 
$
2.65
 
$
(0.10)
 
 
 
 
First  
Quarter  
2012
 
Second  
Quarter  
2012
 
Third  
Quarter  
2012
 
Fourth  
Quarter  
2012
 
Total Income (Loss)
 
$
16,846,394
 
$
(25,335,289)
 
$
27,459,791
 
$
(22,143,646)
 
Total Expenses
 
 
1,107,823
 
 
1,168,452
 
 
1,321,972
 
 
1,327,938
 
Net Income (Loss)
 
$
15,738,571
 
$
(26,503,741)
 
$
26,137,819
 
$
(23,471,584)
 
Net Income (Loss) per Share
 
$
2.83
 
$
(3.79)
 
$
3.84
 
$
(2.90)
 
 
CPER
 
 
 
First  
Quarter  
2013
 
Second  
Quarter  
2013
 
Third  
Quarter  
2013
 
Fourth  
Quarter  
2013
 
Total Income (Loss)
 
$
(169,237)
 
$
(270,337)
 
$
173,114
 
$
35,483
 
Total Expenses
 
 
29,020
 
 
29,058
 
 
23,897
 
 
19,584
 
Expense Waivers
 
 
(23,895)
 
 
(24,095)
 
 
(19,181)
 
 
(14,618)
 
Net Expenses
 
 
5,125
 
 
4,963
 
 
4,716
 
 
4,966
 
Net Income (Loss)
 
$
(174,362)
 
$
(275,300)
 
$
168,398
 
$
30,517
 
Net Income (Loss) per Share
 
$
(1.74)
 
$
(2.76)
 
$
1.69
 
$
0.30
 
 
 
 
First  
Quarter  
2012
 
Second  
Quarter  
2012
 
Third  
Quarter  
2012
 
Fourth  
Quarter  
2012
 
Total Income (Loss)
 
$
268,397
 
$
(243,242)
 
$
192,813
 
$
(81,486)
 
Total Expenses
 
 
28,452
 
 
26,865
 
 
28,742
 
 
37,328
 
Expense Waivers
 
 
(20,992)
 
 
(20,257)
 
 
(23,656)
 
 
(31,459)
 
Net Expenses
 
 
7,460
 
 
6,608
 
 
5,086
 
 
5,869
 
Net Income (Loss)
 
$
260,937
 
$
(249,850)
 
$
187,727
 
$
(87,355)
 
Net Income (Loss) per Share
 
$
2.61
 
$
(2.50)
 
$
1.72
 
$
(0.87)
 
 
USAG
 
 
 
First  
Quarter  
2013
 
Second  
Quarter  
2013
 
Third  
Quarter  
2013
 
Fourth  
Quarter  
2013
 
Total Income (Loss)
 
$
(148,371)
 
$
(63,796)
 
$
42,904
 
$
(82,323)
 
Total Expenses
 
 
36,337
 
 
36,461
 
 
23,296
 
 
10,845
 
Expense Waivers
 
 
(29,863)
 
 
(30,231)
 
 
(17,041)
 
 
(4,637)
 
Net Expenses
 
 
6,474
 
 
6,230
 
 
6,255
 
 
6,208
 
Net Income (Loss)
 
$
(154,845)
 
$
(70,026)
 
$
36,649
 
$
(88,531)
 
Net Income (Loss) per Share
 
$
(1.55)
 
$
(0.70)
 
$
0.36
 
$
(0.88)
 
 
 
 
First  
Quarter  
2012
 
Second  
Quarter  
2012
 
Third  
Quarter  
2012
 
Fourth  
Quarter  
2012
 
Total Income (Loss)
 
$
-
 
$
132,753
 
$
258,097
 
$
(174,764)
 
Total Expenses
 
 
-
 
 
28,781
 
 
34,170
 
 
37,423
 
Expense Waivers
 
 
-
 
 
(20,700)
 
 
(26,019)
 
 
(30,132)
 
Net Expenses
 
 
-
 
 
8,081
 
 
8,151
 
 
7,291
 
Net Income (Loss)
 
$
-
 
$
124,672
 
$
249,946
 
$
(182,055)
 
Net Income (Loss) per Share
 
$
-
 
$
0.53
 
$
1.85
 
$
(1.82)
 
 
USMI
 
 
 
First  
Quarter  
2013
 
Second  
Quarter  
2013
 
Third  
Quarter  
2013
 
Fourth  
Quarter  
2013
 
Total Income (Loss)
 
$
(123,970)
 
$
(401,340)
 
$
217,637
 
$
(73,285)
 
Total Expenses
 
 
35,676
 
 
35,404
 
 
23,760
 
 
10,099
 
Expense Waivers
 
 
(29,804)
 
 
(30,264)
 
 
(17,110)
 
 
(4,987)
 
Net Expenses
 
 
5,872
 
 
5,140
 
 
6,650
 
 
5,112
 
Net Income (Loss)
 
$
(129,842)
 
$
(406,480)
 
$
210,987
 
$
(78,397)
 
Net Income (Loss) per Share
 
$
(1.30)
 
$
(4.06)
 
$
1.65
 
$
(0.79)
 
 
 
 
First  
Quarter  
2012
 
Second  
Quarter  
2012
 
Third  
Quarter  
2012
 
Fourth  
Quarter  
2012
 
Total Income (Loss)
 
$
-
 
$
(29,610)
 
$
339,788
 
$
(113,084)
 
Total Expenses
 
 
-
 
 
4,047
 
 
32,701
 
 
36,406
 
Expense Waivers
 
 
-
 
 
(3,181)
 
 
(25,996)
 
 
(30,139)
 
Net Expenses
 
 
-
 
 
866
 
 
6,705
 
 
6,267
 
Net Income (Loss)
 
$
-
 
$
(30,476)
 
$
333,083
 
$
(119,351)
 
Net Income (Loss) per Share
 
$
-
 
$
(0.30)
 
$
2.97
 
$
(1.20)