CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY (USD $)
Common Shares [Member]
Additional Paid-In Capital [Member]
Accumulated Deficit [Member]
Accumulated Comprehensive Income [Member]
Non-controlling Interest [Member]
Total
Beginning Balance at Mar. 31, 2012 $ 85,080 $ 93,475,298 $ (31,530,306) $ 23,002 $ 49,764,445 $ 111,817,519
Beginning Balance (Share) at Mar. 31, 2012 85,080,445          
Stock issued under At Market Issuance Sales agreement and a registered direct offering agreement 16,436 5,413,551       5,429,987
Stock issued under At Market Issuance Sales agreement and a registered direct offering agreement (Shares) 16,436,319          
Equity contributions and note conversion by non-controlling interest Oregon USG Holdings LLC         7,005,785 7,005,785
Distributions to non-controlling interest entity         (88,209) (88,209)
Stock compensation   636,001       636,001
Unrealized loss on investment       (26,946)   (26,946)
Net loss     (1,314,844)   (600,823) (1,915,667)
Ending Balance at Dec. 31, 2012 101,516 99,524,850 (32,845,150) (3,944) 56,081,198 122,858,470
Ending Balance (Share) at Dec. 31, 2012 101,516,764          
Non-controlling equity contribution from Gerlach Green Energy, LLC         7,460 7,460
Distributions to non-controlling interest entity         (33,849) (33,849)
Stock compensation   59,362       59,362
Unrealized loss on investment       (19,665)   (19,665)
Net loss     1,388,523   846,556 2,235,079
Ending Balance at Mar. 31, 2013 $ 101,516 $ 99,584,212 $ (31,456,627) $ (23,609) $ 56,901,365 $ 125,106,857
Ending Balance (Share) at Mar. 31, 2013 101,516,764