Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash Flows From Operating Activities:
Net loss	$ (3,097)	$ (2,439)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	73	90
Amortization	14	25
Gain on sale of equipment	0	(2)
Warrants issued in settlement of interest	1	23
Warrants issued in settlement of interest to related parties	3	116
Share-based compensation	0	178
Tronbled debt restructuring gain	(72)	0
Issuance of Class 3 Notes in settlement of interest	0	51
Issuance of Class 3 Notes in settlement of interest to related parties	0	125
Changes in operating assets and liabilities:
Accounts receivable	14	1
Inventories	10	(23)
Other current assets	(35)	5
Accounts payable and other current liabilities	24	178
Accrued interest	1,220	631
Customer deposits	1,192	(249)
Deferred revenue	(293)	274
Net cash used in operating activities	(946)	(1,016)
Cash Flows Provided By (Used In) Investing Activities:
Proceeds from sale of equipment	0	2
Purchase of property and equipment	0	(12)
Additional patent expenditures	(8)	(5)
Net cash used in investing activities	(8)	(15)
Cash Flows Provided By (Used In) Financing Activities:
Proceeds from sale of Class 2 Notes	90	325
Proceeds from sale of Class 2 Notes to related parties	1,401	872
Payment of Class 2 Note	(23)	(86)
Payment of Class 2 Note to related parties	(432)	(172)
Proceeds from sale of Class 3 Notes	0	85
Proceeds from loans payable	11	0
Proceeds from loans payable officers	10	0
Payment of loans payable officers	(10)	0
Proceeds from exercise of stock warrants	0	2
Net cash provided by financing activities	1,047	1,026
Increase (Decrease) in cash	93	(5)
Cash at beginning of year	23	28
Cash at end of year	116	23
Supplemental cash flows information:
Interest paid	$ 29	$ 44