Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net loss	$ (1,867)	$ (2,813)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	150	183
Stock-based compensation	58	183
Valuation of equity instruments		56
Provision for doubtful accounts receivable	24	14
Amortization of intangible assets	104	162
Amortization of discounts on long-term borrowings	77	123
Deferred revenue	216	60
Gain on disposal of fixed assets		(10)
Changes in assets and liabilities:
Accounts receivable, inventories, and other assets	(1,584)	992
Accounts payable and accrued liabilities	(2,158)	(1,799)
Total adjustments	(3,113)	(36)
Net cash used in operating activities	(4,980)	(2,849)
Cash flows from investing activities:
Acquisition of property and equipment	(12)	(126)
Proceeds from the sale of property and equipment		9
Net cash used in investing activities	(12)	(117)
Cash flows from financing activities:
Proceeds from issuances of common stock, net	4,827	413
Payments on other borrowings	(849)
Net proceeds on credit line borrowings	603
Net cash provided by financing activities	4,581	413
Effect of exchange rate changes on cash	8	17
Net decrease in cash and cash equivalents	(403)	(2,536)
Cash and cash equivalents at beginning of period	2,136	4,107
Cash and cash equivalents at end of period	1,733	1,571
Classification of cash and cash equivalents:
Cash and cash equivalents	1,661	1,446
Restricted cash held	72	125
Cash and cash equivalents at end of period	$ 1,733	$ 1,571