Consolidated Statements of Changes In Stockholders' Equity (USD $)	Total	Beneficial Conversion Feature	Warrants Attached to Debt	Purchase Agreements	Accrued Interest	Common Stock	Common Stock Purchase Agreements	Common Stock Accrued Interest	Additional Paid in Capital	Additional Paid in Capital Beneficial Conversion Feature	Additional Paid in Capital Warrants Attached to Debt	Additional Paid in Capital Purchase Agreements	Additional Paid in Capital Accrued Interest	Accumulated Deficit
Beginning balance at Dec. 31, 2012	$ 2,883,332					$ 62,494			$ 112,432,458					$ (109,611,620)
Beginning balance (in shares) at Dec. 31, 2012						6,249,369
Conversion of convertible notes (in shares)						2,079,960
Conversion of convertible notes	4,275,053					20,799			4,254,254
Discount		141,829	195,969							141,829	195,969
Shares issued for cash, net of offering costs (in shares)						14,275,952
Shares issued for cash, net of offering costs	21,022,269					142,760			20,879,509
Shares issued (in shares)	900,000						975	123,231
Shares issued				1,234	188,543		10	1,232				1,224	187,311
Warrant expense	219,553								219,553
Option expense	705,408								705,408
Net loss	(12,897,844)													(12,897,844)
Ending balance at Sep. 30, 2013	$ 16,735,346					$ 227,295			$ 139,017,515					$ (122,509,464)
Ending balance (in shares) at Sep. 30, 2013						22,729,487