XML 24 R46.htm IDEA: XBRL DOCUMENT v2.4.0.8
Long Term Debt and Interest Rate Swaps (Details) (USD $)
 9 Months Ended 9 Months Ended 6 Months Ended 9 Months Ended 6 Months Ended 9 Months Ended 6 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 9 Months Ended
Oct. 31, 2013
Jan. 31, 2013
Oct. 31, 2013
Interest Rate Swap One [Member]
One Earth Energy [Member]
Jul. 31, 2009
Interest Rate Swap One [Member]
One Earth Energy [Member]
Oct. 31, 2013
Interest Rate Swap [Member]
One Earth Energy [Member]
Jan. 31, 2013
Interest Rate Swap [Member]
One Earth Energy [Member]
Oct. 31, 2013
Interest Rate Swap [Member]
Jan. 31, 2008
One Earth Energy [Member]
Construction Loans [Member]
Jan. 31, 2008
One Earth Energy [Member]
Revolving Credit Facility [Member]
Oct. 31, 2013
One Earth Energy [Member]
Revolving Credit Facility [Member]
Jan. 31, 2008
One Earth Energy [Member]
Letter of Credit [Member]
Oct. 31, 2013
One Earth Energy [Member]
Term Loan [Member]
Jan. 31, 2013
One Earth Energy [Member]
Term Loan [Member]
Jan. 31, 2008
One Earth Energy [Member]
Oct. 31, 2013
One Earth Energy [Member]
Oct. 31, 2013
One Earth Energy [Member]
Maximum [Member]
Oct. 31, 2013
One Earth Energy [Member]
Minimum [Member]
Oct. 31, 2013
First National Bank [Member]
Jan. 31, 2012
Nu Gen Energy [Member]
Revolving Credit Facility [Member]
Oct. 31, 2013
Nu Gen Energy [Member]
Revolving Credit Facility [Member]
Jan. 31, 2012
Nu Gen Energy [Member]
Term Loan [Member]
Oct. 31, 2013
Nu Gen Energy [Member]
Term Loan [Member]
Jan. 31, 2013
Nu Gen Energy [Member]
Term Loan [Member]
Jan. 31, 2012
Nu Gen Energy [Member]
Oct. 31, 2013
Nu Gen Energy [Member]
Jan. 31, 2014
Nu Gen Energy [Member]
Jul. 31, 2013
Nu Gen Energy [Member]
Apr. 30, 2013
Nu Gen Energy [Member]
Oct. 31, 2013
Nu Gen Energy [Member]
Maximum [Member]
Oct. 31, 2013
Nu Gen Energy [Member]
Minimum [Member]
Long Term Debt and Interest Rate Swaps (Details) [Line Items]                                                            
Proceeds from Bank Debt               $ 100,000,000 $ 10,000,000   $ 1,000,000     $ 111,000,000         $ 10,000,000 $ 10,000,000 $ 55,000,000     $ 65,000,000            
Debt Conversion, Original Debt, Type of Debt                             The construction loan was converted into a term loan on July 31, 2009                              
Debt Instrument Refinanced Amount 44,101,000                                                          
Debt Instrument Refinanced Amount Interest Rate LIBOR plus 300 basis points                                                          
Debt Instrument, Interest Rate at Period End 3.30%                                                          
Long Term Debt Quarterly Principal Payments                             2,000,000                              
Long-term Debt Maturities Quarterly Principal Payment Due Beginning Date                             Jan. 08, 2014                              
Long-term Debt Maturities Quarterly Principal Payment Due Ending Date                             Apr. 08, 2019                              
Debt Instrument Principal Payments as Percentage of Annual Excess Cash Flows                       20.00%                   40.00%                
Debt Instrument, Annual Principal Payment                       6,000,000                   5,000,000                
Debt Instrument Maximum Payment Aggregate                             18,000,000                              
Long-term Debt, Gross                       44,100,000                   44,000,000                
Fixed Charge Coverage Ratio                               1.10% 1.00%                       1.10% 1.00%
Period Of Loan Agreement To Maintain Compliance With Covenants                                   12 months                        
Payments of Financing Costs                       1,400,000                   600,000                
Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries                       83,300,000 77,900,000                 57,700,000 49,500,000              
Line of Credit Facility, Amount Outstanding                   0                   0         500,000          
Line of Credit Facility, Maximum Borrowing Capacity                   10,000,000                                        
Debt Instrument, Maturity Date                   Jul. 31, 2014                   May 31, 2014   Oct. 31, 2016                
Derivative Liability, Notional Amount       50,000,000     34,563,000                                              
Swap Termination Date     July 8, 2014                                                      
Debt Instrument, Basis Spread on Variable Rate     7.90%                                                      
Derivative Liability 1,540,000 2,789,000     1,500,000 2,800,000 1,540,000                                              
Debt Instrument, Description of Variable Rate Basis                                           LIBOR plus 325 basis points                
Debt Instrument Libor Floor Rate                                           4.00%                
Debt Instrument, Frequency of Periodic Payment                                                 19 quarterly payments          
Long Term Debt Principal Portion Amortization Schedule                                           120 months                
Minimum Working Capital Regarding Modification Of The Covenant                                                 $ 7,500,000 $ 10,000,000 $ 7,500,000 $ 7,500,000