Condensed Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income (Loss)	$ 1,978,664	$ (3,196,401)
Amortization of deferred revenue	(447,022)	(365,617)
Amortization of deferred credit	(29,190)	(29,190)
Amortization of debt discounts and deferred financing fees	1,933,395	941,492
Change in fair value of embedded derivative	(11,850,000)	(2,920,000)
Asset impairment charge	983,990	55,000
Inventory reserves	1,635,818
Non-cash equity compensation	266,387	381,571
Depreciation and amortization of long-lived assets	157,364	230,322
(Increase) decrease in accounts receivable	(19,808)	2,026,374
(Increase) decrease in inventory	(374,015)	11,998
Decrease in other assets	97,127	645,938
Decrease in accounts payable and accrued expenses	(379,988)	(723,538)
Increase in deferred revenue	50,000	299,390
Increase in accrued interest	2,578,939	1,919,805
Increase in deferred compensation	12,130	12,275
Net cash used in operating activities	(3,406,209)	(115,010)
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in Tarsa		(650,571)
Capital expenditures		(107,177)
Increase in patents and other intangibles	(44,784)	(65,053)
Net cash used in investing activities	(44,784)	(822,801)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of capital lease	(9,276)	(27,153)
Proceeds from exercise of stock options		13,110
Net cash used in financing activities	(9,276)	(14,043)
Net decrease in cash and cash equivalents	(3,460,269)	(951,854)
Cash and cash equivalents at beginning of period	3,813,492	4,681,683
Cash and cash equivalents at end of period	353,223	3,729,829
Non-cash investing and financing activities:
Purchase of equipment through capital lease	$--	$119,772
Tarsa [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Loss on investment in Tarsa		$ 650,571