CONSOLIDATED CONDENSED BALANCE SHEETS (UNAUDITED) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 13,621,000	$ 25,717,000
Accounts receivable, net of reserves of $485,000 and of $278,000 in 2013 and 2012, respectively	2,897,000	3,926,000
Inventories, net	4,012,000	3,175,000
Other current assets	1,189,000	1,161,000
Total current assets	21,719,000	33,979,000
Property and equipment, net of accumulated depreciation of $8,604,000 and of $8,609,000 in 2013 and 2012, respectively	2,043,000	2,174,000
Restricted cash and cash equivalents	350,000	350,000
Investment in joint venture	0	85,000
Other assets	2,448,000	2,740,000
Intangibles, net	9,282,000	0
Goodwill	3,922,000	3,922,000
Total assets	39,764,000	43,250,000
Current liabilities:
Accounts payable and accrued expenses	6,252,000	7,411,000
Current portion of long-term obligations, net of discount	21,000	9,784,000
Termination fee obligation	800,000	0
Current portion of Joint Venture purchase obligation	769,000	0
Warrant liability	0	418,000
Total current liabilities	7,842,000	17,613,000
Deferred revenues, related party	0	638,000
Deferred revenues	235,000	2,635,000
Option liability	0	2,250,000
Long-term deferred rent and other	784,000	756,000
Joint Venture purchase obligation, less current portion	3,921,000	0
Long-term obligations, net of discount, less current portion	25,719,000	12,903,000
Total liabilities	38,501,000	36,795,000
Commitments and contingencies	0	0
Stockholders' equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; -0- shares issued and outstanding in 2013 and 2012	0	0
Common stock, $0.001 par value; 95,000,000 shares authorized; 67,235,591 and 65,914,050 shares issued and outstanding in 2013 and 2012, respectively	67,000	66,000
Additional paid-in capital	286,835,000	281,117,000
Accumulated other comprehensive loss	(34,000)	0
Accumulated deficit	(285,605,000)	(274,728,000)
Total stockholders' equity	1,263,000	6,455,000
Total liabilities and stockholders' equity	$ 39,764,000	$ 43,250,000

Related parties deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

No definition available.