Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating activities
Net loss	$ (1,722)	$ (1,268)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation of property and equipment	71	98
Non-cash stock-based compensation	197	70
Deferred revenue	484	67
Amortization of debt issuance costs	40
Noncash interest	12
Decrease in operating assets:
Accounts receivable	137	168
Inventory	350	28
Prepaid expenses and other current assets	58	67
Increase (decrease) in operating liabilities:
Accounts payable and accrued expenses	(306)	129
Net cash used in operating activities	(679)	(641)
Investing activities
Purchase of property and equipment		(6)
Net cash provided by (used in) investing activities		(6)
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	6	(8)
Net increase (decrease) in cash	1,877	(583)
Cash, beginning of period	240	1,004
Cash, end of period	2,117	421
Supplemental disclosure of cash flow information
Cash paid for taxes	$ 4	$ 2