Balance Sheets (USD $)	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 11,298,885	$ 27,303,217
Investments	12,616,097	17,486,409
Trade receivables, net of allowance for doubtful accounts of $5,839 and $0, respectively	342,087	485,026
Related party receivables	0	2,524
Inventories	2,469,123	1,876,834
Prepaid expenses and other current assets	386,624	510,348
Total current assets	27,112,816	47,664,358
Property, Plant and Equipment:	36,897,531	110,709,320
Less accumulated depreciation and amortization	(7,964,875)	(10,706,478)
Property, Plant and Equipment, Net	28,932,656	100,002,842
Other Assets:
Restricted cash	1,427,053	3,259,350
Deposits on manufacturing equipment	3,582,883	8,770,693
Patents, net of amortization of $28,248 and $17,186, respectively	308,785	259,439
Other non-current assets	60,312	64,062
Total Other Assets	5,379,033	12,353,544
Total Assets	61,424,505	160,020,744
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	658,605	1,092,449
Related party payables	229	54,037
Accrued expenses	1,846,997	1,810,851
Accrued property, plant and equipment	1,626,317	2,385,301
Deferred contract revenue	0	250,705
Current portion of long-term debt	648,059	232,257
Current portion of long-term debt - related party	0	350,000
Total current liabilities	4,780,207	6,175,600
Long-Term Debt	6,615,070	6,863,129
Long-Term Debt - Related Party	0	400,000
Accrued Warranty Liability	26,660	15,900
Commitments and Contingencies (Notes 4, 12 & 19)
Stockholders' Equity:
Preferred stock, $0.0001 par value, 25,000,000 shares authorized, no shares outstanding	0	0
Common stock, $0.0001 par value, 125,000,000 shares authorized; 39,345,459 and 32,265,587 shares issued and outstanding at December 31, 2011 and 2010, respectively	3,935	3,226
Additional paid in capital	233,004,550	223,826,191
Deficit accumulated during the development stage	(183,006,936)	(77,263,076)
Accumulated other comprehensive income (loss)	1,019	(226)
Total stockholders' equity	50,002,568	146,566,115
Total Liabilities and Stockholders' Equity	$ 61,424,505	$ 160,020,744