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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Cash Flows From Operating Activities:      
Net (Loss) $ (54,021,515) $ (21,444,557) $ (2,683,399)
Adjustments To Reconcile Net Loss To Net Cash Used In Operating Activities:      
Depreciation and Amortization 1,087,397 1,176,007 1,389,152
Share Based Compensation - Non-employee 2,322,417 312,325 639,915
Share Based Compensation- Employees 4,979,724 4,065,703 3,381,394
Loss (Gain) on Disposal of Assets 17,876 29,093 19,816
Loss on Sale of Investments Available for Sale 67,303 84,590  
Changes in Assets and Liabilities:      
(Increase) Decrease in Accounts Receivable (209,116) 284,480 (1,014,674)
(Increase) Decrease in Inventory (145,512) 432,751 151,474
(Increase) Decrease in Other Assets 1,855,787 (2,457,370) (690,750)
Increase (Decrease) in Accounts Payable 9,469,028 1,705,030 270,750
Increase in Other Liabilities 3,829,767 5,028,846 637,236
Changes in Assets and Liabilities 14,799,954 4,993,737 (645,964)
Cash Provided By (Used) In Operating Activities (30,746,844) (10,783,102) 2,100,914
Cash Flows From Investing Activities:      
(Purchase) of Investments Available for Sale (2,012,671) (2,000,000) (12,151,721)
Sale of Investments Available for Sale 14,037,255 1,975,244  
Purchase of Equipment (507,788) (421,043) (772,364)
Proceeds on Sale of Assets 1,578 2,985 1,800
Purchase of Intangible Assets   (145,121)  
Cash (Used) In Investing Activities 11,518,374 (587,935) (12,922,285)
Cash Flows From Financing Activities:      
Proceeds from Issuance of Common Shares and Purchase Warrants 18,231,424 4,841,049 90,448
Payments on Notes Payable and Capital Lease Obligations (6,470) (18,215) (43,723)
Cash Provided By Financing Activities 18,224,954 4,822,834 46,725
Increase (Decrease) In Cash (1,003,516) (6,548,203) (10,774,646)
Cash At Beginning Of Period 5,715,246 12,263,449 23,038,095
Cash At End Of Period 4,711,730 5,715,246 12,263,449
Supplemental Cash Flow disclosure      
Interest Paid 951 1,844 9,701
Non-Cash Investing and Financing Activity - Acquisition of Intangible Assets   550,000  
Equipment Acquired Under Capital Lease Obligations     $ 8,688