Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating activities
Net loss	$ (1,309)	$ (893)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation of property and equipment	48	68
Non-cash stock-based compensation	165	49
Deferred revenue	(33)
Amortization of debt issuance costs	40
Non-cash interest	12
(Increase) decrease in operating assets:
Accounts receivable	(239)	(78)
Inventory	410	(101)
Prepaid expenses and other current assets	92	44
Increase (decrease) in operating liabilities:
Accounts payable and accrued expenses	(274)	192
Net cash used in operating activities	(1,088)	(719)
Financing activities
Repayment of debt	(500)
Payment of financing costs	(140)
Proceeds from stock options exercised		72
Proceeds from issuance of common stock	3,190
Net cash provided by financing activities	2,550	72
Effect of exchange rates on cash	11	(13)
Net increase (decrease) in cash	1,473	(660)
Cash, beginning of period	240	1,004
Cash, end of period	1,713	344
Supplemental disclosure of cash flow information
Cash paid for taxes	$ 2	$ 2