Condensed Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Loss	$ (14,442,616)	$ (30,445,148)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization of deferred revenue	(1,305,691)	(1,425,999)
Gain on sale/leaseback	(58,380)	(10,000)
Amortization of debt discounts and deferred financing fees	2,115,686	1,267,545
Non-cash equity compensation	736,414	922,686
Loss on change in fair value of embedded conversion feature	2,510,000	15,770,000
Depreciation and amortization of long-lived assets	401,555	348,212
Loss on investment in Tarsa	650,571	1,518,000
Loss on investment in former China Joint Venture	600,000	1,375,926
Changes in operating assets and liabilities:
Decrease in accounts receivable	1,194,079	721,268
Decrease in inventory	391,274	58,082
Decrease (increase) in other assets	783,874	(23,468)
Decrease in accounts payable and accrued expenses	(477,807)	(544,069)
Increase in deferred revenue	1,143,874	4,280,900
Increase in accrued interest	4,020,177	3,852,767
Increase in deferred compensation	18,342	17,103
Net cash used in operating activities	(1,718,648)	(2,306,195)
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in Tarsa	(650,571)	(1,518,000)
Capital expenditures	(140,120)	(255,049)
Increase in patents and other intangibles	(100,477)	(176,537)
Proceeds from sale/lease back		1,119,963
Net cash used in investing activities	(891,168)	(829,623)
CASH FLOWS FROM FINANCING ASSETS:
Repayment of Founders’ note	(300,000)
Repayment of capital lease	(35,369)
Proceeds from exercise of stock options	13,110	53,521
Net cash (used in) provided by financing activities	(322,259)	53,521
Net decrease in cash and cash equivalents	(2,932,075)	(3,082,297)
Cash and cash equivalents at beginning of period	4,681,683	12,200,800
Cash and cash equivalents at end of period	1,749,608	9,118,503
Non-cash investing and financing activities:
Purchase of equipment through capital lease	$ 119,772