CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash	$ 367	$ 1,284
Accounts receivable, net	334	110
Inventory, net	208	186
Prepaid expenses and other current assets	82	104
Total current assets	991	1,684
Property and equipment, net	0	1
Other assets, net of accumulated amortization	1,631	1,684
Total assets	2,622	3,369
Current liabilities:
Accounts payable	754	835
Accrued expenses	432	342
Deferred revenue, current portion	70	70
Total current liabilities	1,256	1,247
Warrant liability	6,377	7,386
Long-term portion of deferred revenue	400	417
Total liabilities	8,033	9,050
Commitments and Contingencies
Stockholders’ deficit:
Preferred stock, $.001 par value; 5,000,000 shares authorized at March 31, 2015 and December 31, 2014; no shares issued and outstanding at March 31, 2015 and December 31, 2014	0	0
Common stock, $.001 par value; 90,000,000 shares authorized at March 31, 2015 and December 31, 2014; 30,392,480 and 30,391,513 shares issued and outstanding at March 31, 2015 and December 31, 2014, respectively.	30	30
Additional paid-in capital	108,409	108,382
Accumulated other comprehensive income	72	72
Accumulated deficit	(113,922)	(114,165)
Total stockholders’ deficit	(5,411)	(5,681)
Total liabilities and stockholders’ deficit	$ 2,622	$ 3,369