CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 473	$ 579
Accounts receivable	475	122
Inventory, less allowances of $297 at March 31, 2014 and $365 at December 31, 2013	192	162
Prepaid expenses and other current assets	72	125
Total current assets	1,212	988
Property and equipment, net	5	7
Other assets, net of accumulated amortization	1,842	1,894
Total assets	3,059	2,889
Current liabilities:
Senior secured note, net of debt discount of $142 at December 31, 2013	0	1,358
Accounts payable	1,033	1,073
Accrued expenses	194	365
Deferred revenue	1,066	703
Total current liabilities	2,293	3,499
Total liabilities	2,293	3,499
Commitments and Contingencies (Note 12)
Stockholders’ equity (deficit):
Preferred stock, $.001 par value; 5,000,000 shares authorized at March 31, 2014 and December 31, 2013; no shares issued and outstanding at March 31, 2014 and December 31, 2013	0	0
Common stock, $.001 par value; 90,000,000 shares authorized at March 31, 2014 and December 31, 2013; 25,225,704 and 18,082,043 shares issued and outstanding at March 31, 2014 and December 31, 2013, respectively.	25	18
Additional paid-in capital	102,656	100,526
Accumulated other comprehensive income	73	74
Accumulated deficit	(101,988)	(101,228)
Total stockholders’ equity (deficit)	766	(610)
Total liabilities and stockholders’ equity(deficit)	$ 3,059	$ 2,889