Restatement of Consolidated Financial Statments Restatement of Consolidated Statements of Cash Flows (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net income (loss)	$ (14,059,539)	$ 29,099,579	$ (50,348,301)
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation, Depletion and Amortization	419,358	568,288	625,343
Increase In Fair Value Of Warrants	(804,516)	(24,436,309)	38,099,969
Stock based compensation	1,779,515	12,463,772	1,483,955
Increase (Decrease) in Operating Capital [Abstract]
Increase (Decrease) in Accounts Receivable	(2,104,404)	365,041	(596,283)
Inventory	(17,641,922)	0	0
Deferred costs	(2,591,462)	(250,072)	0
Increase (Decrease) in Prepaid Expense	(444,251)	12,119	1,216,055
Increase (Decrease) in Other Operating Assets	(548,419)	(4,697)	24,103
Deferred revenue	16,050,910	41,001,110	0
Increase (Decrease) in Accounts Payable and Accrued Liabilities	7,550,989	2,659,597	(125,929)
Deferred income taxes, net	(7,847,802)	(36,051,978)	175,175
Net cash used in operating activities	(20,222,826)	25,574,036	(10,825,384)
Cash flows from investing activities:
Payments to Acquire Property, Plant, and Equipment	(588,235)	(237,023)	(549,944)
Other liabilities	18,717	147,586	(1,379,471)
Collateral for surety bond	(1,347,956)	0	0
Net cash (used in) provided by investing activities	(1,936,191)	14,758,260	(10,535,866)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds From Issuance Of Warrants and Options	9,577	3,946,237	13,196,990
Proceeds from issuance of long-term debt	4,910,000	0	0
Net cash provided by financing activities	4,919,577	2,592,581	13,196,990
Net increase (decrease) in cash and cash equivalents	(17,239,440)	42,924,877	(8,164,260)
Cash and Cash Equivalents, at Carrying Value	32,017,490	49,256,930	6,332,053
Proceeds from Sale and Maturity of Available-for-sale Securities	0	40,000,000	31,250,000
Payments to Acquire Short-term Investments	0	(25,004,717)	(41,235,922)
Repurchase of common stock	0	(1,353,656)	0
Supplemental disclosure of non-cash financing activities:
Reclass of common stock warrant liability to additional paid-in capital upon warrant exercise	0	9,531,911	30,555,845
Scenario, Previously Reported [Member]
Net income (loss)	(14,528,153)	13,594,176	(28,195,339)
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation, Depletion and Amortization	419,358	568,288	625,343
Increase In Fair Value Of Warrants	(335,902)	(8,930,906)	15,947,007
Stock based compensation	1,779,515	12,463,772	1,483,955
Increase (Decrease) in Operating Capital [Abstract]
Increase (Decrease) in Accounts Receivable	(2,104,404)	365,041	(596,283)
Inventory	(17,641,922)
Deferred costs	(2,591,462)	(250,072)
Increase (Decrease) in Prepaid Expense	(444,251)	12,119	1,216,055
Increase (Decrease) in Other Operating Assets	(548,419)	(4,697)	24,103
Deferred revenue	16,050,910	41,001,110
Increase (Decrease) in Accounts Payable and Accrued Liabilities	7,550,989	2,659,597	(125,929)
Deferred income taxes, net	(7,847,802)	(36,051,978)	175,175
Net cash used in operating activities	(20,222,826)	25,574,036	(10,825,384)
Cash flows from investing activities:
Payments to Acquire Property, Plant, and Equipment	(588,235)	(237,023)	(549,944)
Other liabilities	18,717	147,586	(1,379,471)
Collateral for surety bond	(1,347,956)
Net cash (used in) provided by investing activities	(1,936,191)	14,758,260	(10,535,866)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds From Issuance Of Warrants and Options	9,577	3,946,237	13,196,990
Proceeds from issuance of long-term debt	4,910,000
Net cash provided by financing activities	4,919,577	2,592,581	13,196,990
Net increase (decrease) in cash and cash equivalents	(17,239,440)	42,924,877	(8,164,260)
Cash and Cash Equivalents, at Carrying Value	32,017,490	49,256,930	6,332,053
Proceeds from Sale and Maturity of Available-for-sale Securities		40,000,000	31,250,000
Payments to Acquire Short-term Investments		(25,004,717)	(41,235,922)
Repurchase of common stock		(1,353,656)
Supplemental disclosure of non-cash financing activities:
Reclass of common stock warrant liability to additional paid-in capital upon warrant exercise		970,816	18,426,278
Revised Adjustment [Member]
Net income (loss)	468,614
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Increase In Fair Value Of Warrants	(468,614)
Increase (Decrease) in Operating Capital [Abstract]
Net cash used in operating activities	0
Cash flows from investing activities:
Net cash (used in) provided by investing activities	0
Net Cash Provided by (Used in) Financing Activities [Abstract]
Net cash provided by financing activities	0
Net increase (decrease) in cash and cash equivalents	0
Cash and Cash Equivalents, at Carrying Value	0
Restatement Adjustment [Member]
Net income (loss)		15,505,403	(22,152,962)
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Increase In Fair Value Of Warrants		(15,505,403)	22,152,962
Increase (Decrease) in Operating Capital [Abstract]
Net cash used in operating activities		0	0
Cash flows from investing activities:
Net cash (used in) provided by investing activities		0	0
Net Cash Provided by (Used in) Financing Activities [Abstract]
Net cash provided by financing activities		0	0
Net increase (decrease) in cash and cash equivalents		0	0
Cash and Cash Equivalents, at Carrying Value		0	0
Supplemental disclosure of non-cash financing activities:
Reclass of common stock warrant liability to additional paid-in capital upon warrant exercise		$ 8,561,095	$ 12,129,567