Quarterly report pursuant to Section 13 or 15(d)

Notes Payable (Details Textual)

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Notes Payable (Details Textual) (USD $)
1 Months Ended 3 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 0 Months Ended 1 Months Ended
Jun. 24, 2013
Mar. 31, 2014
Mar. 31, 2013
Oct. 23, 2013
First Loan Facility [Member]
Mar. 14, 2014
RMBAH First Credit Facility [Member]
Jun. 24, 2013
RMBAH First Credit Facility [Member]
Dec. 31, 2013
RMBAH First Credit Facility [Member]
Mar. 14, 2014
State Bond Loan [Member]
Dec. 19, 2013
State Bond Loan [Member]
Oct. 23, 2013
State Bond Loan [Member]
Mar. 14, 2014
State Bond Loan [Member]
Due Quarterly Commencing From June Thirty Two Thousand Fourteen [Member]
Oct. 23, 2013
State Bond Loan [Member]
Due Quarterly Commencing From January One Two Thousand Fifteen [Member]
Oct. 15, 2013
Sweetwater IDR Bond [Member]
Oct. 23, 2013
Sweetwater IDR Bond [Member]
Proceeds from Issuance of Long-term Debt, Total           $ 20,000,000             $ 34,000,000 $ 34,000,000
Debt Instrument, Interest Rate, Effective Percentage           21.60%                
Debt Instrument, Description of Variable Rate Basis           interest at 7.5% plus the three month LIBOR rate recalculated at the start of each calendar quarter, approximately 7.77%.                
Class Of Warrant Or Right Issued Number 4,294,167                          
Class Of Warrant Or Right, Exercise Price Of Warrants Or Rights 1.20                          
Class Of Warrant Or Right Issued Value 3,100,000                          
Debt Finance Arrangement Fee Percentage           6.00%                
Debt Finance Arrangement Fee           1,200,000                
Legal Fees           200,000                
Debt Instrument, Interest Rate, Stated Percentage               8.75%            
Proceeds from Issuance of Debt   1,500,000 0   1,500,000     6,500,000 5,000,000 5,000,000        
Debt Instrument, Periodic Payment, Principal                     810,000      
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate                       5.75%    
Extinguishment of Debt, Amount       4,032,000                    
Line of Credit Facility, Remaining Borrowing Capacity               3,500,000            
Repayments of Long-term Debt, Total             $ 20,000,000