CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Operating activities
Net (loss) income	$ (356)	$ 279
Adjustments to reconcile net (loss) income to cash provided by operating activities:
Depreciation expense included in operating expenses	48	49
Depreciation expense included in cost of sales	40	54
Allowance for slow-moving inventory	33	0
Fair value of common stock and common stock warrants issued for services rendered	80	74
Stock-based compensation expense	1,270	940
Change in fair value of stock option liability and derivative instruments	(309)	(733)
Non-cash interest expense	5	45
Changes in operating assets and liabilities:
Trade receivables	332	(1,042)
Inventories	(1,179)	(56)
Prepaid expenses and other current assets	7	(131)
Other non-current assets	8	(44)
Trade payables to related parties	360	313
Trade payables and other accrued expenses	171	106
Accrued compensation and benefits	(268)	588
Income taxes payable	(77)	100
Deferred revenue and customer deposits	(29)	(82)
Long-term deferred rent	43	70
Cash provided by operating activities	179	530
Investing activities
Capital expenditures	(39)	(72)
Cash used by investing activities	(39)	(72)
Financing activities
Proceeds from issuance of common stock, net of issuance costs	1	3,971
Net advances (payments) on bank line of credit	0	(225)
Loan origination fees	(8)	(13)
Payments for repurchase of common stock	0	(2,197)
Cash (used) provided by financing activities	(7)	1,536
Increase in cash and cash equivalents	133	1,994
Cash and cash equivalents at beginning of year	2,322	328
Cash and cash equivalents at end of year	2,455	2,322
Supplemental disclosures of cash flow information:
Interest	0	16
Income taxes	163	2
Non-cash investing and financing activities:
Transfer of deposits to fixed assets	$ 29	$ 0