Annual report pursuant to Section 13 and 15(d)

Notes Payable - Maturity table (Details)

v3.3.1.900
Notes Payable - Maturity table (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Mar. 31, 2016
Dec. 31, 2015
Notes Payable      
Total     $ 38,674
Debt Instrument, Maturity Date Dec. 31, 2016 Mar. 31, 2016 Oct. 01, 2021
Sweetwater IDR Bond [Member]      
Notes Payable      
Principal     $ 28,881
Interest     5,242
RMBAH First Loan Facility [Member]      
Notes Payable      
Principal     4,312
Interest     239
2016      
Notes Payable      
Total     10,486
2016 | Sweetwater IDR Bond [Member]      
Notes Payable      
Principal     4,367
Interest     1,568
2016 | RMBAH First Loan Facility [Member]      
Notes Payable      
Principal     4,312
Interest     239
2017      
Notes Payable      
Total     5,934
2017 | Sweetwater IDR Bond [Member]      
Notes Payable      
Principal     4,623
Interest     1,311
2018      
Notes Payable      
Total     5,934
2018 | Sweetwater IDR Bond [Member]      
Notes Payable      
Principal     4,895
Interest     1,039
2019      
Notes Payable      
Total     5,935
2019 | Sweetwater IDR Bond [Member]      
Notes Payable      
Principal     5,183
Interest     752
2020      
Notes Payable      
Total     5,934
2020 | Sweetwater IDR Bond [Member]      
Notes Payable      
Principal     5,487
Interest     447
Subsequent Years      
Notes Payable      
Total     4,451
Subsequent Years | Sweetwater IDR Bond [Member]      
Notes Payable      
Principal     4,326
Interest     $ 125