BALANCE SHEETS (USD $)	Mar. 31, 2015	Dec. 31, 2014
Current Assets:
Cash and cash equivalents	$ 8,233,044	$ 11,433,579
Restricted cash	100,000	0
Accounts receivable (net of allowance of $95,477 and $94,838 as of March 31, 2015 and December 31, 2014, respectively)	5,845	220,534
Inventory (net of reserves of $1,408,453 as of March 31, 2015 and December 31, 2014)	5,187,926	5,274,803
Prepaid expenses and other current assets	350,165	274,031
Total Current Assets	13,876,980	17,202,947
Property and equipment, net	1,620,365	1,961,376
Patents and trademarks, net	35,450	36,719
Deferred financing costs	640,981	820,775
Other assets	48,000	48,000
Total Assets	16,221,776	20,069,817
Current Liabilities:
Accounts payable (includes related parties of $67,500 and $73,792 as of March 31, 2015 and December 31, 2014, respectively)	1,320,274	1,239,919
Accrued expenses	651,186	841,918
Deferred revenue	25,391	42,843
Warrant liability	1,833,638	499,089
Other current liabilities	54,434	61,829
Total Current Liabilities	3,884,923	2,685,598
Long Term Liabilities:
Deferred revenue	16,420	26,500
Deferred rent	70,075	80,084
Senior secured convertible debentures (net of discount of $6,395,105 and $8,410,187 at March 31, 2015 and December 31, 2014, respectively)	4,707,410	5,000,826
Total Long Term Liabilities	4,793,905	5,107,410
Total Liabilities	8,678,828	7,793,008
COMMITMENTS AND CONTINGENCIES
Stockholders' Equity:
Preferred stock - $0.10 par value; authorized 10,000,000 shares: issued and outstanding: 10,279 at March 31, 2015 and 11,787 at December 31, 2014	1,028	1,179
Common stock - $0.001 par value; authorized 50,000,000 shares: Issued and outstanding 7,525,146 shares at March 31, 2015 and 6,037,232 at December 31, 2014	7,525	6,037
Additional paid-in capital	197,100,186	194,562,963
Accumulated deficit	(189,565,791)	(182,293,370)
Total Stockholders' Equity	7,542,948	12,276,809
Total Liabilities and Stockholders' Equity	$ 16,221,776	$ 20,069,817