Condensed Balance Sheets (USD $)	Jun. 30, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 3,996,059	$ 12,621,477
Trade receivables	135,392	100,164
Related party receivables and deposits	175,117	596,339
Inventories	2,078,690	2,159,553
Prepaid expenses and other current assets	506,807	235,305
Total current assets	6,892,065	15,712,838
Property, Plant and Equipment:	39,518,816	39,979,013
Less accumulated depreciation and amortization	(14,918,500)	(12,725,298)
Net property, plant and equipment	24,600,316	27,253,715
Other Assets:
Patents, net of amortization of $64,790 and $48,150, respectively	745,290	500,879
Other non-current assets	84,671	56,563
Total Other Assets	829,961	557,442
Total Assets	32,322,342	43,523,995
Current Liabilities:
Accounts payable	341,287	855,373
Accrued expenses	1,887,697	1,788,635
Current portion of long-term debt	273,799	264,935
Make-whole dividend liability	332,000	0
Total current liabilities	2,834,783	2,908,943
Long-Term Debt	6,210,983	6,350,135
Accrued Warranty Liability	41,403	38,187
Commitments and Contingencies
Stockholders' Equity:
Preferred stock, $0.0001 par value, 25,000,000 shares authorized; 125,000 and 0 shares issued and outstanding, respectively ($1,002,630 Liquidation Preference)	13	0
Common stock, $0.0001 par value, 125,000,000 shares authorized; 54,135,610 and 51,143,906 shares issued and outstanding, respectively	5,414	5,114
Additional paid in capital	249,119,814	245,996,950
Deficit accumulated during the development stage	(225,890,068)	(211,775,334)
Total stockholders' equity	23,235,173	34,226,730
Total Liabilities and Stockholders' Equity	32,322,342	43,523,995
TFG Radiant [Member]
Current Assets:
Related party receivables and deposits	$ 175,000	$ 596,000