BALANCE SHEETS (USD $)	Jun. 30, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 233,000	$ 3,096,000
Certificate of deposit, restricted	200,000	200,000
Accounts receivable, net	714,000	759,000
Inventories and supplies, net	3,076,000	4,036,000
Prepaid expenses and other current assets	203,000	242,000
Total current assets	4,426,000	8,333,000
Long term accounts receivable	73,000	79,000
Property and equipment, net	638,000	928,000
Total assets	5,137,000	9,340,000
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	446,000	354,000
Deferred revenues	122,000	320,000
Accrued payroll and related expenses	18,000	266,000
Other accrued liabilities	343,000	517,000
Current portion of notes payable	62,000	62,000
Total current liabilities	991,000	1,519,000
Accrued interest payable	1,277,000	1,237,000
Notes payable, net of current portion	1,275,000	1,286,000
Total liabilities	3,543,000	4,042,000
Stockholders' equity:
Series A convertible preferred stock - no par value, 30,000,000 shares authorized; 2,642,000 shares issued and outstanding; liquidating preference at $0.60 per share as of June 30, 2012 and December 31, 2011	528,000	528,000
Series B convertible preferred stock - no par value, 5,000,000 shares authorized; 546,000 shares issued and outstanding; liquidating preference at $2 per share as of June 30, 2012 and December 31, 2011	1,094,000	1,094,000
Common Stock - no par value, 750,000,000 shares authorized; 44,520,000 and 42,765,000 shares issued and outstanding as of June 30, 2012 and December 31, 2011, respectively	145,512,000	145,380,000
Additional paid-in capital	9,574,000	9,408,000
Accumulated deficit	(155,114,000)	(151,112,000)
Total stockholders' equity	1,594,000	5,298,000
Total liabilities and stockholders' equity	$ 5,137,000	$ 9,340,000