BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 11,434	$ 3,783
Accounts receivable (net of allowance of $95 and $46 as of December 31, 2014 and 2013, respectively)	220	57
Inventory (net of reserve $1,409 and $325 as of December 31, 2014 and 2013, respectively) (See Note 4)	5,275	5,631
Prepaid expenses and other current assets	274	880
Total Current Assets	17,203	10,351
Property and equipment, net (See Note 5)	1,961	3,691
Patents and trademarks, net	37	42
Deferred financing costs	821	0
Other assets	48	48
Total Assets	20,070	14,132
Current Liabilities:
Accounts payable (includes related parties of $74 and $33 as of December 31, 2014 and 2013, respectively)	1,240	1,479
Accrued expenses (includes related parties of $0 and $48 as of December 31, 2014 and 2013, respectively)	842	844
Deferred revenue	43	244
Warrant liability (See Note 10)	499	3,017
Other current liabilities	62	68
Total Current Liabilities	2,686	5,652
Long Term Liabilities:
Deferred revenue	27	64
Deferred rent	80	120
Senior secured convertible debentures (net of discount of $8,410 at December 31, 2014)	5,001	0
Total Long Term Liabilities	5,108	184
Total Liabilities	7,794	5,836
COMMITMENTS AND CONTINGENCIES
Stockholders' Equity:
Series B convertible preferred stock - $0.10 par value; authorized 10,000,000 shares: issued and outstanding: 11,787 and 0 at December 31, 2014 and 2013, respectively	1	0
Common stock - $0.001 par value; authorized 50,000,000 shares: Issued and outstanding 6,037,232 and 4,750,160 shares at December 31, 2014 and 2013, respectively.	6	5
Additional paid-in capital	194,562	176,439
Accumulated deficit	(182,293)	(168,148)
Total Stockholders' Equity	12,276	8,296
Total Liabilities and Stockholders' Equity	$ 20,070	$ 14,132