Condensed Balance Sheets (USD $)	Jun. 30, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 4,202,279	$ 3,782,881	[1]
Accounts receivable (net of allowance of $43,080 and $46,130 as of June 30, 2014 and December 31, 2013, respectively)	49,472	57,151	[1]
Inventory (net of reserve of $863,559 as of June 30, 2014 and $325,000 as of December 31, 2013)	3,946,852	5,631,205	[1]
Prepaid expenses and other current assets	332,327	879,698	[1]
Total Current Assets	8,530,930	10,350,935	[1]
Property and equipment, net	3,872,574	3,690,784	[1]
Patents and trademarks, net	39,257	41,795	[1]
Other assets	48,000	48,000	[1]
Total Assets	12,490,761	14,131,514	[1]
Current Liabilities:
Accounts payable (includes related parties of $35,554 and $32,902 as of June 30, 2014 and December 31, 2013, respectively)	1,116,913	1,478,995	[1]
Accrued expenses (includes related parties of $0 and $48,000 as of June 30, 2014 and December 31, 2013, respectively)	302,834	844,131	[1]
Deferred placement revenue	151,508	243,605	[1]
Warrant liability	3,559,227	3,017,142	[1]
Other current liabilities	103,348	67,934	[1]
Total Current Liabilities	5,233,830	5,651,807	[1]
Long-Term Liabilities:
Deferred placement revenue	14,787	63,754	[1]
Deferred rent	100,102	120,120	[1]
Total Long-Term Liabilities	114,889	183,874	[1]
Total Liabilities	5,348,719	5,835,681	[1]
COMMITMENTS AND CONTINGENCIES			[1]
Stockholders' Equity:
Preferred stock - $0.10 par value; authorized 10,000,000 shares: issued and outstanding: 12,300 at June 30, 2014 and 0 at December 31, 2013	1,230
Common stock - $0.001 par value; authorized 50,000,000 shares: issued and outstanding 5,213,969 shares at June 30, 2014 and 4,750,160 at December 31, 2013	5,214	4,750	[1]
Additional paid-in capital	182,637,024	176,438,961	[1]
Accumulated deficit	(175,501,426)	(168,147,878)	[1]
Total Stockholders' Equity	7,142,042	8,295,833	[1]
Total Liabilities and Stockholders' Equity	$ 12,490,761	$ 14,131,514	[1]

[1] Derived from the audited balance sheet as of December 31, 2013