Note 6 - Common Stock (Details) (USD $)
 0 Months Ended 1 Months Ended 11 Months Ended 12 Months Ended 12 Months Ended 11 Months Ended 12 Months Ended
Apr. 08, 2013
Aug. 31, 2013
Dec. 31, 2012
Jan. 31, 2013
Jan. 31, 2012
Sep. 30, 2013
Jan. 31, 2013
Executives [Member]
Class A Non Voting Common Stock [Member]
Jan. 31, 2013
Common Class L [Member]
Jan. 31, 2012
Common Class L [Member]
Jan. 31, 2011
Common Class L [Member]
Dec. 31, 2012
Class A Non Voting Common Stock [Member]
Jan. 31, 2013
Class A Non Voting Common Stock [Member]
Jan. 31, 2013
Class A Voting Common Stock [Member]
Note 6 - Common Stock (Details) [Line Items]                          
Common Stock, Shares Authorized           250,000,000   1,000,000 1,000,000 1,000,000   200,000 200,000
Common Stock, Par or Stated Value Per Share (in Dollars per share)           $ 0.00001   $ 0.01 $ 0.01 $ 0.01   $ 0.01 $ 0.01
Common Stock, Shares, Outstanding           11,770,583   1,000,000 1,000,000 1,000,000      
Common Stock, Shares, Issued (in Shares)   5,365,000           1,000,000 1,000,000 1,000,000   68,889  
Sale of Stock, Price Per Share (in Dollars per share)   $ 8.00                   $ 2.3274  
Public Offering Winderwriters Discount (in Dollars per share)   $ 0.56                      
Proceeds from Issuance of Common Stock   $ 39,100,000                      
Repayments of Notes Payable   10,000,000                      
Common Stock, Dividend Rate, Percentage               10.00%          
Dividends, Common Stock               10,100,000 8,300,000 6,600,000      
Stock Issued During Period, Value, New Issues       10,000,000                  
Sale of Stock, Number of Shares Issued in Transaction (in Shares)             68,889            
Sale of Stock, Consideration Received on Transaction                       258,600  
Stock Repurchased During Period, Shares (in Shares) 4,551,228                   27,811    
Stock Repurchased During Period, Value         11,588           64,648    
Debt Instrument, Decrease, Forgiveness     $ 76,236