Condensed Balance Sheets (USD $)	Sep. 30, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 2,620,291	$ 7,861,524	[1]
Accounts receivable, net	50,915	179,956	[1]
Inventory, net	271,588	675,602	[1]
Prepaid expenses and other current assets	665,096	965,624	[1]
Total Current Assets	3,607,890	9,682,706	[1]
Property and equipment, net	9,418,384	7,349,531	[1]
Patents and trademarks, net	43,064	47,308	[1]
Deferred financing costs		106,141	[1]
Other assets	80,127	84,127	[1]
Total Assets	13,149,465	17,269,813	[1]
Current Liabilities:
Accounts payable	1,424,795	1,850,102	[1]
Accrued expenses	878,503	956,541	[1]
Loan payable			[1]
Deferred placement revenue	267,451	171,726	[1]
Other current liabilities	57,828	40,811	[1]
Total Current Liabilities	2,628,577	3,019,180	[1]
Long Term Liabilities:
Deferred placement revenue	105,290	131,651	[1]
Deferred rent	126,033	143,772	[1]
Total Long Term Liabilities	231,323	275,423	[1]
Total Liabilities	2,859,900	3,294,603	[1]
COMMITMENTS, CONTINGENCIES and LITIGATION			[1]
Stockholders' Equity
Preferred stock - $.10 par value; authorized 10,000,000 shares; issued and outstanding: none			[1]
Common stock - $.001 par value; authorized 95,000,000 shares; issued and outstanding 43,139,027 shares at September 30, 2013 and 32,204,720 at December 31, 2012	43,139	32,205	[1]
Additional paid-in capital	173,784,092	156,142,873	[1]
Accumulated deficit	(163,537,666)	(142,199,868)	[1]
Stockholders' Equity	10,289,565	13,975,210	[1]
Total Liabilities and Stockholders' Equity	$ 13,149,465	$ 17,269,813	[1]

[1] Derived from the audited balance sheet as of December 31, 2012