Condensed Consolidated Balance Sheets (USD $)	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 243,000	$ 47,000
Accounts receivable	140,000	935,000
Inventory, less allowances of $276 at March 31, 2013 and $269 at December 31, 2012	189,000	312,000
Prepaid expenses and other current assets	95,000	109,000
Total current assets	667,000	1,403,000
Property and equipment, net	14,000	16,000
Other assets, net of accumulated amortization	2,056,000	2,109,000
Total assets	2,737,000	3,528,000
Current liabilities:
Senior secured note	1,300,000
Accounts payable	874,000	1,070,000
License and supply agreement fee payable	513,000	1,318,000
Accrued expenses	507,000	321,000
Deferred revenue, current portion	708,000	707,000
Total current liabilities	3,902,000	3,416,000
Long-term portion of deferred revenue	531,000	707,000
Total liabilities	4,433,000	4,123,000
Commitments and Contingencies (Note 10)
Stockholders' deficit:
Preferred stock, $.001 par value; 5,000,000 shares authorized at March 31, 2013 and December 31, 2012; no shares issued and outstanding at March 31, 2013 and December 31, 2012
Common stock, $.001 par value; 90,000,000 shares authorized at March 31, 2013 and December 31, 2012; 12,025,309 and 11,949,824 shares issued and outstanding at March 31, 2013 and December 31, 2012, respectively	12,000	12,000
Additional paid-in capital	96,988,000	96,847,000
Accumulated other comprehensive income	76,000	76,000
Accumulated deficit	(98,772,000)	(97,530,000)
Total stockholders' deficit	(1,696,000)	(595,000)
Total liabilities and stockholders' deficit	$ 2,737,000	$ 3,528,000