CONSOLIDATED BALANCE SHEETS (USD $)
Mar. 31, 2013
Dec. 31, 2012
Current:    
Cash and cash equivalents $ 16,467,454 $ 12,908,779
Restricted cash 2,995,000 2,995,000
Trade accounts receivable 2,271,055 3,296,890
Grant proceeds receivable 40,113,741 42,884,200
Other current assets 827,826 839,104
Total current assets 62,675,076 62,923,973
Investment in equity securities 45,886 65,551
Operating security deposit for Power Purchase Agreement 1,426,700 1,426,700
Property, plant and equipment, net of accumulated depreciation 159,496,835 160,589,254
Intangible assets, net of accumulated amortization 15,428,298 15,490,618
Total assets 239,072,795 240,496,096
Current Liabilities:    
Accounts payable and accrued liabilities 712,704 1,481,959
Construction accounts payable 1,521,342 1,122,746
Related party accounts payable 6,092 3,391
Convertible loan payable 2,125,000 0
Construction loan payable 333,334 1,000,000
Retention payable 5,119,939 8,089,704
Current portion of capital lease obligations 45,962 45,278
Current portion of construction loans payable 1,576,342 1,576,342
Total current liabilities 11,440,715 13,319,420
Long-term Liabilities:    
Convertible loan payable 0 2,125,000
Long-term portion of capital lease obligations 57,272 69,039
Construction loans payable, less current portion 102,467,951 102,124,167
Total long-term liabilities 102,525,223 104,318,206
Total liabilities 113,965,938 117,637,626
Commitments and Contingencies 0 0
STOCKHOLDERS' EQUITY    
Capital stock (authorized: 250,000,000 common shares with a $0.001 par value; issued and outstanding shares at March 31, 2013 and December 31, 2012 were: 101,516,764) 101,516 101,516
Additional paid-in capital 99,584,212 99,524,850
Accumulated other comprehensive loss (23,609) (3,944)
Accumulated deficit (31,456,627) (32,845,150)
Total stockholders' equity, before Non-controlling interest 68,205,492 66,777,272
Non-controlling interests 56,901,365 56,081,198
Total stockholders' equity 125,106,857 122,858,470
Total liabilities and stockholders' equity $ 239,072,795 $ 240,496,096