Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net loss	$ (722)	$ (1,349)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	201	208
Loss on disposal of fixed assets	48	66
Provision for bad debts	34	225
Provision for obsolete inventory	(187)	51
Stock-based compensation expense	104	174
(Increase) decrease in:
Trade accounts receivable	(1,525)	1,654
Other accounts receivable	(8)	(23)
Inventory	728	(2,360)
Prepaids	(1,499)	1,038
Other assets	11	(238)
Decrease in:
Accounts payable	(645)	(308)
Accrued expenses	(752)	(1,053)
Net cash used in operating activities	(4,212)	(1,915)
Cash flows from investing activities:
Purchase of property and equipment	(97)	(266)
(Increase) decrease in restricted cash	728	(2)
Net cash provided by (used in) investing activities	631	(268)
Effect of exchange rate changes on cash	(10)	102
Net decrease in cash and cash equivalents	(3,591)	(2,081)
Cash and cash equivalents, beginning of period	5,230	11,422
Cash and cash equivalents, end of period	1,639	9,341
Cash paid for interest
Cash paid for income taxes

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.